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Robert Silverberg

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Bibliography

(From Wikipedia)

Novels

File:Invadersfromearth 1958.jpg
Invaders from Earth (1958).

Majipoor series

Short story collections

  • Lest We Forget Thee Earth (1958) written under the pen-name Calvin M. Knox
  • Needle in a Timestack (1966)
  • The Calibrated Alligator (1969)
  • Dimension Thirteen (1969)
  • The Cube Root of Uncertainty (1970)
  • Moonferns & Starsongs (1971)
  • Valley Beyond Time (1972)
  • The Reality Trip and Other Implausibilities (1972)
  • Unfamiliar Territory (1973)
  • Sunrise On Mercury (1975)
  • The Best of Robert Silverberg (1976)
  • The Shores of Tomorrow (1976)
  • Next Stop The Stars (1977)
  • Capricorn Games (1979)
  • World of a Thousand Colors (1982)
  • The Conglomeroid Cocktail Party (1984)
  • Beyond the Safe Zone (1986)
  • The Collected Stories of Robert Silverberg: Secret Sharers (1992)
  • Phases of the Moon (2004)
  • In the Beginning (2006)
  • To Be Continued: The Collected Stories Volume 1 (2006)
  • To The Dark Star: The Collected Stories Volume 2 (2007)
  • Something Wild is Loose: The Collected Stories Volume 3 (2008)

forthcoming...

  • Trips: The Collected Stories Volume 4 (2009)
  • ?: The Collected Stories Volume 5 (2010)
  • Multiples: The Collected Stories Volume 6 (2011)
  • We Are For The Dark: The Collected Stories Volume 7 (2012)
  • Hot Times in Magma City: The Collected Stories Volume 8 (2013)

Anthologies edited by Robert Silverberg

Non-fiction

  • Treasures Beneath The Sea (1960)
  • First American Into Space (1961)
  • Sir Winston Churchill(1961, as Edgar Black)
  • Lost Cities and Vanished Civilizations (1962)
  • Empires In The Dust: Ancient Civilazations Brought To Light (1963)
  • The Fabulous Rockefellers (1963)
  • Fifteen Battles That Changed The World (1963)
  • The History Of Surgery (1963)
  • Home Of The Red Man: Indian North America Before Columbus (1963)
  • Sunken History: The Story Of Underwater Archaeology (1963)
  • 1066 (1964, as Franklin Hamilton)
  • Akhnaten: The Rebel Pharaoh (1964)
  • Great Adventures In Archaeology (1964)
  • The Great Doctors (1964)
  • The Lonliest Continent: The Story Of Antarctic Discovery (1964, as Walker Chapman)
  • Man Before Adam: The Story Of Man In Search Of His Origins (1964)
  • The Man Who Found Nineveh (1964)
  • Antarctic Conquest: The Great Explorers In Their Own Words (1965, as Walker Chapman)
  • The Crusades (1965, as Franklin Hamilton)
  • The Golden Dream: Seekers Of El Dorado (1965)
  • The Great Wall of China (1965)
  • Men Who Mastered The Atom (1965)
  • Niels Bohr: The Man Who Mapped The Atom (1965)
  • The Old Ones: Indians Of The American Southwest (1965)
  • Scientists And Scoundrels: A Book Of Hoaxes (1965)
  • Socrates (1965)
  • The World Of Coral (1965)
  • Men Against Time: Salvage Archaeology in the United States (1967)
  • Challenge For A Throne: The Wars Of The Roses (1967, as Franklin Hamilton)
  • Light for the World: Edison and the Power of Electricity (1967)
  • The Morning of Mankind: Prehistoric Man in Europe (1967)
  • The Search for Eldorado (1967, as Walker Chapman)
  • Sophisticated Sex Techniques in Marriage (1967, as L.T. Woodward)
  • The World of the Rain Forests (1967)
  • Four Men Who Changed the Universe (1968)
  • Ghost Towns of the American West (1968)
  • Mound Builders of Ancient America: The Archaeology of a Myth (1968)
  • Sam Houston (1968, as Paul Hollander)
  • The South Pole: A Book to Begin On (1968, as Lee Sebastian)
  • The Stolen Election: Hayes vs. Tilden, 1876 (1968, as Lloyd Robinson)
  • Stormy Voyager (1968)
  • Mound-Builders of Ancient America (1968)
  • The Challenge of Climate: Man and His Environment (1969)
  • Clocks for the Ages: How Scientists Date the Past (1971)
  • Into Space: A Young Person's Guide to Space (1971, with Arthur C. Clarke)
  • To the Western Shore: Growth of the United States 1776-1853 (1971)
  • John Muir, Prophet Among the Glaciers (1972)
  • The Realm of Prester John (1972)
  • The World Within the Ocean Wave (1972)
  • The World Within the Tide Pool (1972)
  • Drug Themes in Science Fiction (1974)
  • Reflections and Refractions: Thoughts on Science Fiction, Science and other matters (1997)

Bibliography from ISFDB

Fiction Series

   * Fire in Winter
         o 1 The Mutant Season (1989) with Karen Haber 
   * Gilgamesh
         o Gilgamesh the King (1984)
               + Variant Title: Gilgamesh (2005) 
         o Gilgamesh in the Outback (1986) [SF]
         o The Fascination of the Abomination (1987) [SF]
         o Gilgamesh in Uruk (1988) [SF]
         o To the Land of the Living (1989) 
   * Lest We Forget Thee, Earth
         o Lest We Forget Thee, Earth (1958) [as by Calvin M. Knox ]
         o 1 Chalice of Death (1957) [SF] [as by Calvin M. Knox ]
         o 2 Earth Shall Live Again! (1957) [SF] [as by Calvin M. Knox ]
         o 3 Vengeance of the Space Armadas (1958) [SF] [as by Calvin M. Knox ] 
   * Majipoor
         o Lord Valentine's Castle (1980)
               + Magazine/Anthology Appearances:
               + Lord Valentine's Castle (Part 1 of 4) (1979)
               + Lord Valentine's Castle (Part 2 of 4) (1979)
               + Lord Valentine's Castle (Part 3 of 4) (1980)
               + Lord Valentine's Castle (Part 4 of 4) (1980) 
         o The Soul-Painter and the Shapeshifter (1981) [SF]
         o The Desert of Stolen Dreams (1981) [SF]
         o In the Fifth Year of the Voyage (1981) [SF]
         o A Thief in Ni-Moya (1981) [SF]
         o Majipoor Chronicles (1982) [C]
         o Prologue (Majipoor Chronicles) (1982) [SF]
         o Thesme and the Ghayrog (1982) [SF]
         o Voriax and Valentine (1982) [SF]
         o Crime and Punishment (1982) [SF]
         o Epilogue (Majipoor Chronicles) (1982) [SF]
         o Among the Dream Speakers (1982) [SF]
         o Calintane Explains (1982) [SF]
         o The Time of the Burning (1982) [SF]
         o Valentine Pontifex (1983)
         o The Mountains of Majipoor (1995)
         o Valentine of Majipoor (1999) [O/3N] 
         o Prestimion
               + 1 Sorcerers of Majipoor (1997)
               + 2 Lord Prestimion (1998)
               + 3 The King of Dreams (2001) 
   * Millennium
         o 4 Project Pendulum (1987) 
   * New Springtime
         o 1 At Winter's End (1988)
         o 2 The New Springtime (1989)
               + Variant Title: The Queen of Springtime (1989) 
   * Nidorian
         o The Chosen People (1956) [SF] with Randall Garrett [as by Robert Randall ]
         o The Promised Land (1956) [SF] with Randall Garrett [as by Robert Randall ]
         o False Prophet (1956) [SF] with Randall Garrett [as by Robert Randall ]
         o All the King's Horses (1958) [SF] with Randall Garrett [as by Robert Randall ]
         o 1 The Shrouded Planet (1957) with Randall Garrett [as by Robert Randall ]
         o 2 The Dawning Light (1959) with Randall Garrett [as by Robert Randall ]
               + Magazine/Anthology Appearances:
               + The Dawning Light (Part 1 of 3) (1957) with Randall Garrett
               + The Dawning Light (Part 2 of 3) (1957) with Randall Garrett
               + The Dawning Light (Part 3 of 3) (1957) with Randall Garrett 
   * Nightwings
         o Nightwings (1968) [SF]
         o Perris Way (1968) [SF]
         o To Jorslem (1969) [SF]
         o Nightwings (1969) 
   * The Collected Stories of Robert Silverberg
         o 1 Secret Sharers (1992) [C]
         o 2 The Secret Sharer (1993) [C]
         o 3 Beyond the Safe Zone (1986) [C]
         o 4 The Road to Nightfall (1996) [C]
         o 5 Ringing the Changes (1997) [C]
         o 6 Lion Time in Timbuctoo (2000) [C] 
   * The Gate of Worlds
         o The Gate of Worlds (1967)
         o Lion Time in Timbuctoo (1990) [SF] 
   * Foundation Universe
         o The Positronic Robot Stories
               + The Positronic Man (1992) with Isaac Asimov 

Novels

   * Revolt on Alpha C (1955)
   * Master of Life and Death (1957)
   * The 13th Immortal (1957)
   * Invaders from Earth (1958)
   * Stepsons of Terra (1958)
   * Aliens From Space (1958) [as by David Osborne ]
   * Starman's Quest (1958)
   * Starhaven (1958) [as by Ivar Jorgenson ]
   * Invisible Barriers (1958) [as by David Osborne ]
   * The Planet Killers (1959)
   * The Plot Against Earth (1959) [as by Calvin M. Knox ]
   * Lost Race of Mars (1960)
   * Collision Course (1961)
   * Recalled to Life (1962)
         o Magazine/Anthology Appearances:
         o Recalled to Life (Part 1 of 2) (1958)
         o Recalled to Life (Part 2 of 2) (1958) 
   * The Seed of Earth (1962)
   * The Silent Invaders (1963)
   * Time of the Great Freeze (1964)
   * One of Our Asteroids is Missing (1964) [as by Calvin M. Knox ]
   * Regan's Planet (1964)
   * Conquerors from the Darkness (1965)
   * The Time Hoppers (1967)
   * Those Who Watch (1967)
   * To Open the Sky (1967)
   * Planet Of Death (1967)
   * Thorns (1967)
   * Hawksbill Station (1968)
         o Variant Title: The Anvil of Time (1969) 
   * The Masks of Time (1968)
         o Variant Title: Vornan-19 (1968) 
   * Across a Billion Years (1969)
   * To Live Again (1969)
   * The Man in the Maze (1969)
         o Magazine/Anthology Appearances:
         o The Man in the Maze (Part 1 of 2) (1968)
         o The Man in the Maze (Part 2 of 2) (1968) 
   * Up the Line (1969)
         o Magazine/Anthology Appearances:
         o Up the Line (Part 1 of 2) (1969)
         o Up the Line (Part 2 of 2) (1969) 
   * Downward to the Earth (1970)
         o Magazine/Anthology Appearances:
         o Downward to the Earth (Part 1 of 4) (1969)
         o Downward to the Earth (Part 2 of 4) (1969)
         o Downward to the Earth (Part 3 of 4) (1970)
         o Downward to the Earth (Part 4 of 4) (1970) 
   * World's Fair 1992 (1970)
   * Tower of Glass (1970)
         o Variant Title: The Tower of Glass (1970) 
   * The World Inside (1971)
   * A Time of Changes (1971)
         o Magazine/Anthology Appearances:
         o A Time of Changes (Part 1 of 3) (1971)
         o A Time of Changes (Part 2 of 3) (1971)
         o A Time of Changes (Part 3 of 3) (1971) 
   * Son of Man (1971)
   * The Second Trip (1972)
         o Magazine/Anthology Appearances:
         o The Second Trip (Part 1 of 2) (1971)
         o The Second Trip (Part 2 of 2) (1971) 
   * Dying Inside (1972)
         o Magazine/Anthology Appearances:
         o Dying Inside (Part 1 of 2) (1972)
         o Dying Inside (Part 2 of 2) (1972) 
   * The Book of Skulls (1972)
   * The Stochastic Man (1975)
         o Magazine/Anthology Appearances:
         o The Stochastic Man (Part 1 of 3) (1975)
         o The Stochastic Man (Part 2 of 3) (1975)
         o The Stochastic Man (Part 3 of 3) (1975) 
   * Shadrach in the Furnace (1976)
         o Magazine/Anthology Appearances:
         o Shadrach in the Furnace (Part 1 of 3) (1976)
         o Shadrach in the Furnace (Part 2 of 3) (1976)
         o Shadrach in the Furnace (Part 3 of 3) (1976) 
   * Tom O'Bedlam (1985)
   * Star of Gypsies (1986)
   * Nightfall (1990) with Isaac Asimov
   * Letters from Atlantis (1990)
   * Child of Time (1991) with Isaac Asimov
         o Variant Title: The Ugly Little Boy (1992) 
   * The Face of the Waters (1991)
   * Kingdoms of the Wall (1992)
   * Hot Sky at Midnight (1994)
   * Starborne (1996)
   * The Alien Years (1998)
   * Sailing to Byzanthium (2000)
   * The Longest Way Home (2002)
         o Magazine/Anthology Appearances:
         o The Longest Way Home (Part 1 of 3) (2001)
         o The Longest Way Home (Part 2 of 3) (2001)
         o The Longest Way Home (Part 3 of 3) (2002) 
   * Roma Eterna (2003)
   * Seventh Shrine (2004) with Andres Finer
   * 13th Immortal [forthcoming: Feb 24 2009] 

Collections

   * Next Stop the Stars (1962)
   * Godling, Go Home! (1964)
   * To Worlds Beyond (1965)
   * Needle in a Timestack (1966)
         o Variant Title: Needle in a Timestack (revised) (1979) 
   * The Calibrated Alligator and Other Science Fiction Stories (1969)
   * Dimension Thirteen (1969)
   * Parsecs and Parables (1970)
   * The Cube Root of Uncertainty (1970)
   * Moonferns and Starsongs (1971)
   * The Reality Trip and Other Implausibilities (1972)
   * Unfamiliar Territory (1973)
   * Earth's Other Shadow (1973)
   * Valley Beyond Time (1973)
   * Born With the Dead (1974)
   * Sundance and Other Science Fiction Stories (1974)
   * The Feast of St. Dionysus (1975)
   * Sunrise on Mercury and Other Science Fiction Stories (1975)
   * The Best of Robert Silverberg (1976)
   * Capricorn Games (1976)
   * The Shores of Tomorrow (1976)
   * The Best of Robert Silverberg, Volume II (1978)
   * The Songs of Summer (1979)
   * World of a Thousand Colors (1982)
   * Sunrise on Mercury (1983)
   * The Conglomeroid Cocktail Party (1984)
   * Sailing to Byzantium (1985)
   * The Silent Invaders (collection) (1985)
   * The Collected Stories of Robert Silverberg (1992)
   * Phases of the Moon: Stories of Six Decades (2004)
   * In the Beginning: Tales from the Pulp Era (2006)
   * To the Dark Star: The Collected Stories of Robert Silverberg, Volume Two (2007)
   * Something Wild is Loose (2008) 

Omnibus

   * Master of Life and Death / The Secret Visitors (1957) [O/2N] with James White
   * The 13th Immortal / This Fortress World (1957) [O/2N] with James E. Gunn
   * Across Time / Invaders From Earth (1958) [O] with Donald A. Wollheim [as by Robert Silverberg and David Grinnell ]
   * Stepsons of Terra / A Man Called Destiny (1958) [O/2N] with Lan Wright
   * Lest We Forget Thee, Earth / People Minus X (1958) [O] with Raymond Z. Gallun [as by Calvin M. Knox and Raymond Z. Gallun ]
   * Starhaven / The Sun Smasher (1959) [O] with Edmond Hamilton [as by Ivar Jorgensen and Edmond Hamilton ]
   * The Plot Against Earth / Recruit for Andromeda (1959) [O] with Milton Lesser [as by Calvin M. Knox and Milton Lesser ]
   * We Claim These Stars! / The Planet Killers (1959) [O] with Poul Anderson
   * Collision Course / The Nemesis from Terra (1961) [O/2N] with Leigh Brackett
   * The Seed of Earth / Next Stop the Stars (1962) [O/2N]
   * The Silent Invaders / Battle on Venus (1963) [O/2N] with William F. Temple
   * The Twisted Men / One of Our Asteroids is Missing (1964) [O/1N,1C] with A. E. van Vogt [as by Calvin M. Knox and A. E. van Vogt ]
   * A Robert Silverberg Omnibus (UK 1970) (1970) [O/3N]
   * Conquerors from the Darkness / Master of Life and Death (1979) [O]
   * Invaders from Earth and To Worlds Beyond (1980) [O]
   * A Robert Silverberg Omnibus (US 1981) (1981) [O/3N]
   * Cronos (2001) [O]
   * Other Dimensions (2003) [O] 

Serials

   * Cosmic Kill (Part 1 of 2) (1957) [as by Robert Arnette ]
   * Cosmic Kill (Part 2 of 2) (1957) [as by Robert Arnette ]
   * The Tower of Glass (Part 1 of 3) (1970)
   * The Tower of Glass (Part 2 of 3) (1970)
   * The Tower of Glass (Part 3 of 3) (1970) 

Anthology Series

   * Science Fiction: The Best of
         o 2001 Science Fiction: The Best of 2001 (2002) with Karen Haber
         o 2002 Science Fiction: The Best of 2002 (2003) with Karen Haber 
   * The Gate of Worlds
         o Beyond the Gate of Worlds (1991) 
   * Legends
         o Legends I
               + Legends (1998)
                     # Variant Title: Legends: Short Novels by the Masters of Modern Fantasy (1998) 
               + Legends I (3-part set)
                     # 1 Legends: Volume 1 (1999)
                     # 2 Legends: Volume 2 (1999)
                     # 3 Legends, Volume 3 (2000) 
               + Legends I (2-part set)
                     # 1 Legends (reprint with part 1 of 2) (1999)
                     # 2 Legends (reprint with part 2 of 2) (2000) 
         o Legends II
               + Legends II (2003)
                     # Variant Title: Legends II: New Short Novels by the Masters of Modern Fantasy (2004) 
               + Legends II (2-part set)
                     # 1 Legends II: Shadows, Gods, and Demons (2004)
                     # 2 Legends II: Dragon, Sword, and King (2004) 
               + Legends II (3-part set)
                     # 1 Legends II: New Short Novels by the Masters of Modern Fantasy: Volume One (2003)
                     # 2 Legends II: New Short Novels by the Masters of Modern Fantasy: Volume Two (2004)
                     # 3 Legends II: New Short Novels by the Masters of Modern Fantasy: Volume Three (2004) 
   * The Ultimate
         o The Ultimate Dinosaur (1992) with Byron Preiss 
   * Universe [2]
         o 1 Universe 1 (1990) with Karen Haber
         o 2 Universe 2 (1992) with Karen Haber
         o 3 Universe 3 (1994) with Karen Haber 
   * The Science Fiction Hall of Fame
         o 1 The Science Fiction Hall of Fame, Volume I (1970) 
   * Alpha
         o 1 Alpha One (1970)
         o 2 Alpha Two (1971)
         o 3 Alpha Three (1972)
         o 4 Alpha 4 (1973)
         o 5 Alpha 5 (1974)
         o 6 Alpha 6 (1976)
         o 7 Alpha 7 (1977)
         o 8 Alpha 8 (1977)
         o 9 Alpha 9 (1978) 
   * Nebula Awards
         o 18 Nebula Awards 18 (1983)
         o 35 Nebula Awards Showcase 2001 (2001) 
   * New Dimensions
         o 1 New Dimensions 1 (1971)
         o 2 New Dimensions II (1972)
         o 3 New Dimensions 3 (1974)
         o 4 New Dimensions IV (1974)
         o 5 New Dimensions 5 (1975)
               + Variant Title: New Dimensions: Science Fiction Number 5 (1976) 
         o 6 New Dimensions 6 (1976)
         o 7 New Dimensions 7 (1977)
         o 8 New Dimensions 8 (1978)
         o 9 New Dimensions 9 (1979)
         o 10 New Dimensions 10 (1980)
         o 11 New Dimensions 11 (1980) with Marta Randall
         o 12 New Dimensions 12 (1981) with Marta Randall 
   * Time Gate
         o 1 Time Gate (1989) with Bill Fawcett
         o 2 Time Gate: Dangerous Interfaces (1990) 
   * Fantasy: The Best of
         o 2001 Fantasy: The Best of 2001 (2002) with Karen Haber
         o 2002 Fantasy: The Best of 2002 (2003) with Karen Haber 
   * The Collected Stories of Robert Silverberg
         o 1 Pluto in the Morning Light (1992) 

Anthologies

   * Earthmen and Strangers (1966)
   * Voyagers in Time (1967)
   * Men and Machines (1968)
   * Dark Stars (1969)
   * Tomorrow's Worlds (1969)
   * Three for Tomorrow (1969) with uncredited and Arthur C. Clarke
   * The Mirror of Infinity (1970)
   * Great Short Novels of Science Fiction (1970)
   * The Ends of Time (1970)
   * Worlds of Maybe (1970)
   * Mind to Mind (1971)
   * To the Stars (1971)
   * The Science Fiction Bestiary (1971)
   * Four Futures (1971)
   * Beyond Control (1972)
   * Invaders from Space (1972)
   * Deep Space (1973)
   * Three Trips in Time and Space (1973)
   * Other Dimensions (1973)
   * No Mind of Man (1973)
   * Chains of the Sea (1973)
   * Threads of Time (1974)
   * Mutants (1974)
   * Windows into Tomorrow (1974)
   * Infinite Jests (1974)
   * The New Atlantis and Other Novellas of Science Fiction (1975)
   * Epoch (1975) with Roger Elwood
   * Strange Gifts (1975)
   * Explorers of Space (1975)
   * The Aliens (1976)
   * The Crystal Ship (1976)
   * Trips in Time (1977)
   * Triax (1977)
   * Galactic Dreamers (1977)
   * The Infinite Web (1977)
   * Earth Is the Strangest Planet (1977)
   * Alpha Six (1978)
   * Lost Worlds, Unknown Horizons (1978)
   * Car Sinister (1979) with Martin H. Greenberg and Joseph D. Olander
   * The Edge of Space (1979)
   * The Androids Are Coming (1979)
   * The Best of New Dimensions (1979)
   * Dawn of Time (1979) with Martin H. Greenberg and Joseph D. Olander
   * The Arbor House Treasury of Great Science Fiction Short Novels (1980) with Martin H. Greenberg
   * The Arbor House Treasury of Modern Science Fiction (1980) with Martin H. Greenberg
         o Variant Title: Great Science Fiction of the 20th Century (1987) 
   * The Science Fictional Dinosaur (1982) with Martin H. Greenberg and Charles G. Waugh
   * The Fantasy Hall of Fame (1983) with Martin H. Greenberg
         o Variant Title: The Mammoth Book of Fantasy All-Time Greats (1988) 
   * The Arbor House Treasury of Science Fiction Masterpieces (1983) with Martin H. Greenberg
         o Variant Title: Great Tales of Science Fiction (1988) 
   * The Time Travellers -- A Science Fiction Quartet (1985) with Martin H. Greenberg
   * Neanderthals: Isaac Asimov's Wonderful Worlds of Science Fiction (1987) with Martin H. Greenberg and Charles G. Waugh
   * Robert Silverberg's Worlds of Wonder (1987)
         o Variant Title: Science Fiction: 101 (2001) 
   * Born With the Dead / The Saliva Tree (1988) with Brian W. Aldiss
   * Worlds Imagined (1989) with Martin H. Greenberg
   * The Last Castle / Nightwings (1989) with Jack Vance
   * Sailing to Byzantium / Seven American Nights (1989) with Gene Wolfe
   * Press Enter [] / Hawksbill Station (1990) with John Varley
   * In Another Country / Vintage Season (1990) with C. L. Moore
   * The Horror Hall of Fame (1991) with Martin H. Greenberg
   * Murasaki (1992) with Martin H. Greenberg [as by Robert Silverberg ]
   * A Century of Fantasy 1980-1989 (1996)
   * A Century of Science Fiction 1950--1959 (1997)
   * The Fantasy Hall of Fame (1998)
   * Far Horizons: The Great Worlds of Science Fiction (1999)
         o Variant Title: Far Horizons : All New Tales from the Greatest Worlds of Science Fiction (1999) 
   * Das Meer und kleine Fische (2000)
   * The Great Science Fiction: 1964 (2001) with Martin H. Greenberg
   * Between Worlds (2004) 

Nonfiction

   * First American into Space (1961)
   * Lost Cities and Vanished Civilizations (1962)
   * Men Against Time: Salvage Archaeology in the United States (1967)
   * Drug Themes in Science Fiction (1974)
   * The Realm Of Prester John (1996)
   * Reflections and Refractions: Thoughts on Science-Fiction, Science, and Other Matters (1997) 

Nongenre

   * Lord of Darkness (1983) 

Shortfiction

   * Gorgon Planet (1954)
   * The Silent Colony (1954) [as by Bob Silverberg ]
   * The Martian (1955) [as by Bob Silverberg ]
   * Yokel with Portfolio (1955) [as by Bob Silverberg ]
   * Stay Out of My Grave (1956) [as by Ralph Burke ]
   * Collecting Team (1956)
         o Variant Title: Catch 'Em All Alive! (1956) 
   * Always (1956)
   * Look Homeward, Spaceman (1956) [as by Calvin Knox ]
   * The Beast with Seven Tails (1956) with Randall Garrett [as by Leonard G. Spencer ]
   * Calling Captain Flint (1956) with Randall Garrett [as by Richard Greer ]
   * Catch a Thief (1956) with Randall Garrett [as by Gordon Aghill ]
   * Gambler's Planet (1956) with Randall Garrett [as by Gordon Aghill ]
   * The Girl from Bodies, Inc. (1956) with Randall Garrett [as by Leonard G. Spencer ]
   * The Mummy Takes a Wife (1956) with Randall Garrett [as by Clyde Mitchell ]
   * Man of Many Bodies (1956) [as by Ralph Burke ]
   * The Alien Dies at Dawn (1956) with Randall Garrett [as by Alexander Blade ]
   * The Great Kladnar Race (1956) with Randall Garrett [as by Richard Greer ]
   * Deus Ex Machina (1956) with Randall Garrett [as by Robert Randall ]
   * No Future in This (1956) with Randall Garrett [as by Robert Randall ]
   * Hole in the Air (1956)
   * A Woman's Right (1956)
   * To Be Continued (1956)
   * The Dessicator (1956)
   * Entrance Exam (1956)
   * Dream Girl (1956)
   * Absolutely Inflexible (1956)
   * The Lonely One (1956)
   * Run of Luck (1956)
         o Variant Title: Run of Luck (1956) [as by Calvin Knox ]
         o Variant Title: Long Live the Kejwa (2006) 
   * The Final Challenge (1956)
   * The Macauley Circuit (1956)
   * Venus Trap (1956)
   * Vault of the Ages (1956)
   * O' Captain, My Captain (1956) [as by Ivar Jorgensen ]
   * Revolt of the Synthetics (1956) [as by Ralph Burke ]
   * Guardian of the Crystal Gate (1956)
   * The Slow and the Dead (1956) with Randall Garrett [as by Robert Randall ]
   * Mind for Business (1956)
   * The Songs of Summer (1956)
   * The Hunted Heroes (1956)
   * Sound Decision (1956) with Randall Garrett
   * Hopper (1956)
   * The Judas Valley (1956) with Randall Garrett [as by Gerald Vance ]
   * Double Dare (1956)
   * Sourdough (1956)
   * The Rivals (1956)
   * No Trap for the Keth (1956) with Randall Garrett [as by Ralph Burke ]
   * Tools of the Trade (1956) with Randall Garrett [as by Robert Randall ]
   * The Man with Talent (1956)
         o Variant Title: A Man of Talent (1966) 
   * A World of His Own (1956)
   * Choke Chain (1956)
   * Lair of the Dragonbird (1956)
   * Secret of the Green Invaders (1956) with Randall Garrett [as by Robert Randall ]
   * Battle for the Thousand Suns (1956) with Randall Garrett [as by Calvin Knox and David Gordon ]
   * New Men for Mars (1957) [as by Calvin M. Knox ]
   * En Route to Earth (1957) [as by Calvin M. Knox ]
   * The Secret of the Shan (1957) with Randall Garrett [as by Richard Greer ]
   * An Enemy of Peace (1957) [as by Ralph Burke ]
   * Swords Against the Outworlders (1957) [as by Calvin Knox ]
   * Freak Show (1957) [as by Hall Thornton ]
   * Citadel of Darkness (1957) [as by Ralph Burke ]
   * Hero from Yesterday (1957) with Randall Garrett [as by Robert Randall ]
   * House Operator (1957) with Randall Garrett [as by S. M. Tenneshaw ]
   * The Lunatic Planet (1957)
         o Variant Title: The Lunatic Planet (1957) [as by Ralph Burke ]
         o Variant Title: The Lunatic Planet (1957) [as by Ralph Burke ] 
   * Slaughter on Dornell IV (1957) with Randall Garrett [as by Ivar Jorgensen ]
   * Outcast of the Stars (1957) [as by Bob Silverberg ]
   * Critical Threshold (1957)
   * The Assassin (1957)
   * Ship-Shape Pay-Off (1957) with Harlan Ellison [as by Harlan Ellison ]
   * The Warm Man (1957)
   * The Incomplete Theft (1957) with Randall Garrett [as by Ralph Burke ]
   * Godling, Go Home! (1957)
   * The Nudes of Quendar III (1957)
   * The Ultimate Weapon (1957) with Randall Garrett [as by S. M. Tenneshaw ]
   * Wednesday Morning Sermon (1957) with Randall Garrett [as by Alexander Blade ]
   * Slaves of the Star Giants (1957)
   * The Mystery of Deneb IV (1957)
   * The Guest Rites (1957)
   * Bleekman's Planet (1957) with Randall Garrett [as by Ivar Jorgensen ]
   * Deadly Decoy (1957) [as by Clyde Mitchell ]
   * Solitary (1957)
   * Forgotten World (1957)
   * Starship Saboteur (1957) [as by Bob Silverberg ]
   * The Man Who Hated Noise (1957) with Randall Garrett [as by S. M. Tenneshaw ]
   * Father Image (1957)
   * Hidden Talent (1957)
   * The Artifact Business (1957)
   * The Old Man (1957) [as by S. M. Tenneshaw ]
   * Harwood's Vortex (1957)
   * Galactic Thrill Kids (1957)
   * Spawn of the Deadly Sea (1957)
   * Monday Immortal (1957) [as by Ralph Burke ]
   * Sunrise on Mercury (1957) [as by Calvin M. Knox ]
   * Quick Freeze (1957)
   * Warm Man (1957)
   * Twelve Hours to Blow! (1957)
   * World of a Thousand Colors (1957)
   * A Season for Remorse (1957)
   * Woman's World (1957)
   * Age of Anxiety (1957)
   * Run of the Mill (1957)
   * Neutral Planet (1957)
   * The Blue Plague (1957)
   * The Assassion (1957)
   * Pirates of the Void (1957) with Randall Garrett [as by Ivar Jorgensen ]
   * Hot Trip for Venus (1957) with Randall Garrett [as by Ralph Burke ]
   * Blaze of Glory (1957)
   * Reality Unlimited (1957)
   * Three Survived (1957)
   * This World Must Die! (1957) [as by Ivar Jorgenson ]
   * Anything His Heart Desires (1957)
   * Call Me Zombie! (1957)
   * His Head in the Clouds (1957) [as by Calvin M. Knox ]
   * Force of Mortality (1957)
   * Postmark Ganymede (1957)
   * The Flame and the Hammer (1957)
   * The Winds of Siros (1957)
   * Outpost Peril (1957)
   * The Dead World (1957) [as by Warren Kastel ]
   * New Year's Eve - 2000 A. D. (1957) [as by Ivar Jorgensen ]
   * Overlord of Colony Eight (1957)
   * Death's Planet (1957)
   * A Time for Revenge (1957) [as by Calvin M. Knox ]
   * Thunder Over Starhaven (1957) [as by Ivar Jorgenson ]
   * The Ambassador's Pet (1957) with Randall Garrett [as by Alexander Blade ]
   * The Shrines of Earth (1957)
   * One-Way Journey (1957)
   * Why? (1957)
   * The Android Kill (1957) [as by Alexander Blade ]
   * Housemaid No. 103 (1957) [as by Ivar Jorgensen ]
   * Precedent (1957)
   * And the Walls Came Tumbling Down (1957)
   * Valley Beyond Time (1957)
   * Misfit (1957)
   * Rescue Mission (1957)
   * The Happy Unfortunate (1957)
   * The Hunters of Cutwold (1957) [as by Calvin M. Knox ]
   * House Divided (1958)
   * Journey's End (1958)
   * Never Trust a Thief! (1958) [as by Ivar Jorgensen ]
   * Moon of Death (1958) [as by E. K. Jarvis ]
   * Back from the Grave (1958) [as by David Challon ]
   * Menace from Vega (1958) with Randall Garrett [as by Robert Randall ]
   * Traitor Legion (1958)
   * Prime Commandment (1958) [as by Calvin M. Knox ]
   * Hunt the Space-Witch! (1958) [as by Ivar Jorgenson ]
   * Vanishing Act (1958) with Randall Garrett [as by Robert Randall ]
   * Prison Planet (1958)
   * No Way Out (1958)
   * The Man Who Never Forgot (1958)
   * We, the Marauders (1958)
   * A Madman on Board (1958)
   * The Happy Sleepers (1958) [as by Calvin M. Knox ]
   * The Overlord's Thumb (1958)
   * Alaree (1958)
   * Eve and the Twenty-Three Adams (1958)
   * Decision Final (1958) with Randall Garrett [as by Robert Randall ]
   * The Lure of Galaxy A (1958) [as by Ivar Jorgensen ]
   * Slice of Life (1958) [as by Calvin M. Knox ]
   * Passport to Sirius (1958)
   * The Woman You Wanted (1958)
   * Planet of Parasites (1958) [as by Calvin M. Knox ]
   * Shadow on the Stars (1958)
   * The Seed of Earth (short story) (1958)
   * The Iron Chancellor (1958)
         o Variant Title: The Weight Watcher (1977) 
   * Unknown Soldier of Space (1958)
   * Invasion Vanguard (1958) [as by T. D. Bethlen ]
   * Slaves of the Tree (1958) [as by Eric Rodman ]
   * Heir Reluctant (1958)
   * Voyage to Procyon (1958)
   * Frontier Planet (1958) [as by Calvin M. Knox ]
   * The Reluctant Traitor (1958) [as by Ralph Burke ]
   * 3117 Half-Credit Uncirculated (1958) [as by Alexander Blade ]
   * Road to Nightfall (1958)
   * Point of Focus (1958)
   * The Wages of Death (1958)
   * The Four (1958) [as by Calvin M. Knox ]
   * Homecoming Horde (1958)
   * A World Called Sunrise (1958) [as by Eric Rodman ]
   * A Planet All My Own (1958) [as by Richard F. Watson ]
   * The Cold-Blooded Ones (1958) [as by Calvin M. Knox ]
   * A Little Intelligence (1958) with Randall Garrett
         o Variant Title: A Little Intelligence (1958) [as by Robert Randall ]
         o Variant Title: A Little Intelligence (1958) [as by Randall Garrett ] 
   * Castaways of Space (1958) [as by Dan Malcolm ]
   * The Untouchables (1958) [as by Calvin M. Knox ]
   * The Fight with the Gorgon (1958)
   * The Silent Invaders (1958) [as by Calvin M. Knox ]
   * Fueling Stop (1958) [as by Calvin M. Knox ]
   * Birds of a Feather (1958)
   * The Isolationists (1958) [as by George Osborne ]
   * Spacerogue (1958) [as by Webber Martin ]
   * Ozymandias (1958) [as by Ivar Jorgenson ]
   * There Was an Old Woman - (1958)
   * Gateway to Terror (1958)
   * There Was and Old Woman-- (1958)
   * The Aliens Were Haters (1958)
   * Exiled From Earth (1958) [as by Richard F. Watson ]
   * The Unique and Terrible Compulsion (1958) [as by Calvin M. Knox ]
   * The World He Left Behind Him (1959)
         o Variant Title: The World He Left Behind (1959) 
   * Strong Waters (1959)
   * You Do Something to Me (1959) [as by Calvin M. Knox ]
   * Demons of Cthulhu (1959) [as by Charles D. Hammer ]
   * Deadlock (1959) with Barbara Silverberg
   * In Gratitude (1959)
   * Delivery Guaranteed (1959) [as by Calvin M. Knox ]
   * Hi Diddle Diddle! (1959)
         o Variant Title: Hi Diddle Diddle! (1959) [as by Calvin M. Knox ]
         o Variant Title: Hi Diddle Diddle (1959) 
   * Waters of Forgetfulness (1959) [as by Eric Rodman ]
   * Earthman's Burden (1959)
   * Re-Conditioned Human (1959)
         o Variant Title: Second Start (2006) 
   * Translation Error (1959)
   * His Brother's Weeper (1959)
   * A Cry for Help (1959) [as by Eric Rodman ]
   * Mournful Monster (1959) [as by Dan Malcolm ]
   * Vampires from Outer Space (1959) [as by Richard F. Watson ]
   * The Moon Is New (1959) [as by David Osborne ]
   * Company Store (1959)
   * There's No Place Like Space (1959)
   * Appropriation (1959)
   * Guardian Devil (1959)
   * The Middle-Aged Rookie (1959) [as by Charles D. Hammer ]
   * The Day the Monsters Broke Loose (1959)
   * Beasts of Nightmare Horror (1959) [as by Richard F. Watson ]
   * Constabulary Duty (1959) [as by Calvin M. Knox ]
   * Malnutrition (1959)
   * Collision Course (1959)
   * Leisure Class (1959)
   * Heap Big Medicine (1959)
   * Mugwump Four (1959)
         o Variant Title: Mugwump 4 (1959) 
   * Monsters That Once Were Men (1959) [as by Eric Rodman ]
   * Planet of the Angry Giants (1959) [as by Dirk Clinton ]
   * Which Was the Monster? (1959) [as by Dan Malcolm ]
   * The Horror in the Attic (1959) [as by Alex Merriman ]
   * The Outbreeders (1959) [as by Calvin M. Knox ]
   * Eye of the Beholder (1959)
   * Counterpart (1959)
   * The Loathsome Beasts (1959) [as by Dan Malcolm ]
   * The Monsters Came by Night (1959) [as by Charles D. Hammer ]
   * The Insidious Invaders (1959) [as by Eric Rodman ]
   * The World He Left Behind (1959)
   * Certainty (1959)
   * The Impossible Intelligence (1959)
   * Appropriations (1959)
   * Stress Pattern (1960)
   * The Calibrated Alligator (1960) [as by Calvin M. Knox ]
   * Subterfuge (1960)
   * The Still Small Voice (1960)
   * Dark Companion (1961)
   * The Man Who Came Back (1961)
   * The Seed of Earth (1962)
   * The Unbeliever (1963)
   * The Nature of the Place (1963)
   * To See the Invisible Man (1963)
   * The Shadow of Wings (1963)
   * The Pain Peddlers (1963)
   * The Desiccator (1964)
   * Neighbor (1964)
   * The Sixth Palace (1965)
   * Blue Fire (1965)
         o Variant Title: Blue Fire 2077 (1965) 
   * At the End of Days (1965)
   * The Warriors of Light (1965)
         o Variant Title: The Warriors of Light 2095 (1965) 
   * Crossing Into the Empire (1966)
   * To Open the Sky (1966)
         o Variant Title: Open the Sky (1966)
         o Variant Title: To Open the Sky 2164 (1966) 
   * Where the Changed Ones Go (1966)
         o Variant Title: Where the Changed Ones Go 2135 (1966) 
   * Lazarus Come Forth! (1966)
         o Variant Title: Lazarus Come Forth 2152 (1966) 
   * Halfway House (1966)
   * Flies (1967)
   * By the Seawall (1967)
   * Hawksbill Station (1967)
   * Bride Ninety-One (1967)
         o Variant Title: Bride 91 (1967) 
   * The King of the Golden River (1967)
         o Variant Title: King of the Golden World (1967) 
   * King of the Golden World (1967)
   * Passengers (1968)
   * The Fires Die Down (1968)
   * Going Down Smooth (1968)
   * To the Dark Star (1968)
   * As Is (1968)
   * The Fangs of the Trees (1968)
   * How It Was When the Past Went Away (1969)
   * Sundance (1969)
   * After the Myths Went Home (1969)
   * A Happy Day in 2381 (1970)
   * In the Beginning (1970)
   * The Song the Zombie Sang (1970) with Harlan Ellison
   * Ringing the Changes (1970)
   * The Pleasure of Their Company (1970)
   * The Pleasure of Our Company (1970)
   * Black Is Beautiful (1970)
   * The Reality Trip (1970)
   * Ishmael in Love (1970)
   * The Throwbacks (1970)
   * We Know Who We Are (1970)
   * The World Outside (1970)
   * We Are Well Organized (1970)
   * Good News from the Vatican (1971)
   * Caliban (1971)
   * Going (1971)
   * Something Wild Is Loose (1971)
   * In Entropy's Jaws (1971)
         o Variant Title: Entropy's Jaws (1971) 
   * Good News From the Vatican (1971)
   * All the Way Up, All the Way Down (1971)
   * When We Went to See the End of the World (1972)
   * Caught in the Organ Draft (1972)
   * {Now + n, Now - n} (1972)
         o Variant Title: Now + n Now - n (1972) 
   * Push No More (1972)
   * Thomas the Proclaimer (1972)
   * (Now + n), (Now - n) (1972)
   * Snake and Ocean, Ocean and Snake (1972)
   * Now + n Now - n (1972)
   * What We Learned From This Morning's Newspaper (1972)
   * What We Learned from This Morning's Newspaper (1972)
   * The Feast of St. Dionysus (1973)
   * Breckenridge and the Continuum (1973)
   * Getting Across (1973)
   * In the Group (1973)
   * Many Mansions (1973)
   * Ms. Found in an Abandoned Time Machine (1973)
   * The Mutant Season (1973)
   * Ship-Sister, Star-Sister (1973)
   * Some Notes on the Pre-Dynastic Epoch (1973)
   * The Wind and the Rain (1973)
   * This Is the Road (1973)
   * The Science Fiction Hall of Fame (1973)
   * Capricorn Games (1974)
   * The Dybbuk of Mazel Tov IV (1974)
   * Trips (1974)
   * The Day the Founder Died (1974)
   * A Sea of Faces (1974)
   * Born With the Dead (1974)
   * In the House of Double Minds (1974)
   * Schwartz Between the Galaxies (1974)
   * Our Lady of the Sauropods (1980)
   * How They Pass the Time in Pelpel (1981)
   * The Palace at Midnight (1981)
   * A Thousand Paces Along the Via Dolorosa (1981)
   * Waiting for the Earthquake (1981)
   * The Regulars (1981)
   * At the Conglomeroid Cocktail Party (1982)
   * The Far Side of the Bell-Shaped Curve (1982)
   * Jennifer's Lover (1982)
   * The Man Who Floated in Time (1982)
   * Not Our Brother (1982)
   * The Trouble with Sempoanga (1982)
   * Among the Dream-Speakers (1982)
   * Gianni (1982)
   * The Pope of the Chimps (1982)
   * The Changeling (1982)
   * Multiples (1983)
   * Needle in a Timestack (1983)
   * Dancers in the Time-Flux (1983)
         o Variant Title: Dancer's in the Time-Flux (2002) 
   * Basileus (1983)
   * Prologue (1983)
   * A Thief in Ni-moya (1983)
   * Untitled Epilogue (1983)
   * The Election (1983)
   * Amanda and the Alien (1983)
   * Homefaring (1983)
   * Gate of Horn, Gate of Ivory (1984)
   * Tourist Trade (1984)
   * The Affair (1984)
   * Lord of Darkness(Excerpt) (1984)
   * Valentine Pontifex(Excerpt) (1984)
   * Symbiont (1985)
   * Sailing to Byzantium (1985)
   * Sunrise on Pluto (1985)
   * Blindsight (1986)
   * Watchdogs (1986)
   * Against Babylon (1986)
   * The Secret Sharer (1987)
   * Hardware (1987)
   * The Pardoner's Tale (1987)
   * The Iron Star (1987)
   * We Are for the Dark (1988)
   * Hannibal's Elephants (1988)
   * The Dead Man's Eyes (1988)
   * At Winter's End (1988)
   * House of Bones (1988)
   * In Another Country (1989)
   * To the Promised Land (1989)
   * Enter a Soldier. Later: Enter Another (1989)
   * A Sleep and a Forgetting (1989)
   * Batman in Nighttown (1989) with Karen Haber
   * The Asenion Solution (1989)
   * Tales From the Venia Woods (1989)
   * Tales from the Venia Woods (1989)
   * Chip Runner (1989)
         o Variant Title: Chiprunner (1989) 
   * Mutant Season (Excerpt) (1989) with Karen Haber
   * The Catch (1990)
   * Interludes (1990)
   * Hot Sky (1990)
   * They Hide, We Seek (1990)
   * Nightfall (Excerpt) (1990) with Isaac Asimov
   * An Outpost of the Empire (1991)
   * The Last Surviving Veteran of the War of San Francisco (1991)
   * In the Clone Zone (1991)
   * A Tip on a Turtle (1991)
   * The Face of The Waters (1991)
   * Hunters in the Forest (1991)
   * The Werewolf Gambit (1991)
   * Thebes of the Hundred Gates (1992)
   * A Long Night's Vigil at the Temple (1992)
   * The Perfect Host (1992)
   * It Comes and Goes (1992)
   * Looking for the Fountain (1992)
   * The Way to Spook City (1992)
   * Kingdoms of the Wall(Excerpt) (1992)
   * The Sri Lanka Position (1993)
   * Kingdoms of the Wall (excerpt) (1993)
   * The Positronic Man (Excerpt) (1994) with Isaac Asimov
   * Via Roma (1994)
   * The Dragon on the Bookshelf (1995) with Harlan Ellison
   * Hot Times in Magma City (1995)
   * The Red Blaze Is the Morning (1995)
   * The Second Shield (1995)
   * The Tree That Grew from the Sky (1996)
   * Diana of the Hundred Breasts (1996)
   * Starborne (Excerpt) (1996)
   * The Martian Invasion Journals of Henry James (1996)
   * The Church at Monte Saturno (1997)
   * On the Inside (1997)
   * Call Me Titan (1997)
   * Death Do Us Part (1997)
   * Beauty in the Night (1997)
   * The Colonel in Autumn (1998)
   * Majipoor: The Seventh Shrine (1998)
   * Waiting for the End (1998)
   * Travelers (1999)
   * A Killing Light (1999)
   * Getting to Know the Dragon (1999)
   * A Hero of the Empire (1999)
   * The Millennial Express (2000)
   * The Millennium Express (2000)
   * The Second Wave (2002)
   * With Caesar in the Underworld (2002)
   * The Reign of Terror (2003)
   * The Book of Changes (2003)
   * The Sorcerer's Apprentice (2004)
   * The Colonel Returns to the Stars (2004)
   * A Piece of the Great World (2005)
   * Cosmic Kill (2006)
         o Magazine/Anthology Appearances:
         o Cosmic Kill (Part 1 of 2) (1957)
         o Cosmic Kill (Part 2 of 2) (1957) 
   * Come into My Brain (2006)
   * Hanosz Prime Goes to Old Earth (2006)
   * The Eater of Dreams (2007)
   * The Emperor and the Maula (2007)
   * Against the Current (2007)
   * Going Caliban (2008)
   * Something Wild is Loose (2008) 

Poems

   * A Certain Answer (1958) with Randall Garrett [as by Robert Randall ] 

Essay Series

   * Infinity's Choice (Infinity Science Fiction)
         o Infinity's Choice (Infinity Science Fiction, August 1958) (1958)
         o Infinity's Choice (Infinity Science Fiction, October 1958) (1958)
         o Infinity's Choice (Infinity Science Fiction, November 1958) (1958) 
   * Opinion (Amazing Stories)
         o Opinion (Amazing Stories, May 1981) (1981)
         o Opinion (Amazing Stories, July 1981) (1981)
         o Opinion (Amazing Stories, September 1981) (1981)
         o Opinion (Amazing Stories, November 1981) (1981)
         o Opinion (Amazing Stories, January 1982) (1982)
         o Opinion (Amazing Stories, September 1982) (1982)
         o Opinion (Amazing Stories, November 1982) (1982)
         o Opinion (Amazing Stories, January 1983) (1983)
         o Opinion (Amazing Stories, March 1983) (1983)
         o Opinion (Amazing Stories, May 1983) (1983)
         o Opinion (Amazing Stories, July 1983) (1983)
         o Opinion (Amazing Stories, September 1983) (1983)
         o Opinion (Amazing Stories, November 1983) (1983)
         o Opinion (Amazing Stories, January 1984) (1984)
         o Opinion (Amazing Stories, March 1984) (1984)
         o Opinion (Amazing Stories, May 1984) (1984)
         o Opinion (Amazing Stories, July 1984) (1984)
         o Opinion (Amazing Stories, September 1984) (1984)
         o Opinion (Amazing Stories, November 1984) (1984)
         o Opinion (Amazing Stories, January 1985) (1985)
         o Opinion (Amazing Stories, March 1985) (1985)
         o Opinion (Amazing Stories, May 1985) (1985)
         o Opinion (Amazing Stories, July 1985) (1985)
         o Opinion (Amazing Stories, September 1985) (1985)
         o Opinion (Amazing Stories, November 1985) (1985)
         o Opinion (Amazing, January 1986) (1986)
         o Opinion (Amazing Stories, March 1986) (1986)
         o Opinion (Amazing Stories, May 1986) (1986)
         o Opinion (Amazing, July 1986) (1986) 
   * Reflections
         o Reflections (Amazing Stories, September 1986) (1986)
         o Reflections (Amazing Stories, November 1986) (1986)
         o Reflections (Amazing Stories, March 1987) (1987)
         o Reflections (Amazing Stories, May 1987) (1987)
         o Reflections (Amazing Stories, July 1987) (1987)
         o Reflections (Amazing Stories, September 1987) (1987)
         o Reflections (Amazing Stories, November 1987) (1987)
         o Reflections (Amazing Stories, January 1988) (1988)
         o Reflections (Amazing Stories, March 1988) (1988)
         o Reflections (Amazing Stories, May 1988) (1988)
         o Reflections (Amazing Stories, July 1988) (1988)
         o Reflections (Amazing Stories, September 1988) (1988)
         o Reflections (Amazing Stories, November 1988) (1988)
         o Reflections (Amazing Stories, January 1989) (1989)
         o Reflections (Amazing Stories, March 1989) (1989)
         o Reflections (Amazing Stories, May 1989) (1989)
         o Reflections (Amazing Stories, July 1989) (1989)
         o Reflections (Amazing Stories, September 1989) (1989)
         o Reflections (Amazing Stories, November 1989) (1989)
         o Reflections (Amazing Stories, January 1990) (1990)
         o Reflections (Amazing Stories, March 1990) (1990)
         o Reflections (Amazing Stories, July 1990) (1990)
         o Reflections (Amazing Stories, September 1990) (1990)
         o Reflections (Amazing Stories, November 1990) (1990)
         o Reflections (Amazing Stories, January 1991) (1991)
         o Reflections (Amazing Stories, March 1991) (1991)
         o Reflections (Amazing Stories, May 1991) (1991)
         o Reflections (Amazing Stories, June 1991) (1991)
         o Reflections (Amazing Stories, July 1991) (1991)
         o Reflections (Amazing Stories, August 1991) (1991)
         o Reflections (Amazing Stories, September 1991) (1991)
         o Reflections (Amazing Stories, October 1991) (1991)
         o Reflections (Amazing Stories, November 1991) (1991)
         o Reflections (Amazing Stories, December 1991) (1991)
         o Reflections (Amazing Stories, January 1992) (1992)
         o Reflections (Amazing Stories, February 1992) (1992)
         o Reflections (Amazing Stories, March 1992) (1992)
         o Reflections (Amazing Stories, April 1992) (1992)
         o Reflections (Amazing Stories, May 1992) (1992)
         o Reflections (Amazing Stories, June 1992) (1992)
         o Reflections (Amazing Stories, July 1992) (1992)
         o Reflections (Amazing Stories, August 1992) (1992)
         o Reflections (Amazing Stories, September 1992) (1992)
         o Reflections (Amazing Stories, October 1992) (1992)
         o Reflections (Amazing Stories, November 1992) (1992)
         o Reflections (Amazing Stories, December 1992) (1992)
         o Reflections (Amazing Stories, January 1993) (1993)
         o Reflections (Amazing Stories, February 1993) (1993)
         o Reflections (Amazing Stories, March 1993) (1993)
         o Reflections (Amazing Stories, May 1993) (1993)
         o Reflections (Amazing Stories, June 1993) (1993)
         o Reflections (Amazing Stories, July 1993) (1993)
         o Reflections (Amazing Stories, August 1993) (1993)
         o Reflections (Amazing Stories, September 1993) (1993)
         o Reflections (Amazing Stories, November 1993) (1993)
         o Reflections (Amazing Stories, Winter 1994) (1994)
         o Reflections (Amazing Stories, Spring 1994) (1994)
         o Reflections (Amazing Stories, Fall 1994) (1994)
         o Reflections (Asimov's, August 1994) (1994)
         o Reflections (Asimov's, September 1994) (1994)
         o The Last of the Codfish (1995)
         o Gresham's Law and SF (1995)
         o Gresham's Law Continued (1995)
         o . . . And Then There Were Six (1995)
         o Contest (1995)
         o The Millennium Is Almost Here (1995)
         o The Audience Grows Older (1995)
         o The Power of Words (1995)
         o A Species Saved Is a Species Earned (1995)
         o The Twentieth Century Battery (1996)
         o Gods Almighty (1996)
         o Roger and John (1996)
         o Extinct Again (1996)
         o The Dinosaur in the Living Room (1996)
         o The Power of Words (Part Two) (1996)
         o The International Language (1996)
         o Gourmet to Go (1996)
         o Campbell, Boucher, Gold (1996)
         o The Realm of Prester John (1996)
         o The Ablative Absolute (1996)
         o Six Trillion Miles High (1997)
         o Memories of a Curious Childhood (1997)
         o Glimpses of the Future (1997)
         o Coming Attractions (1997)
         o The Handprints on the Wall (1997)
         o The Sense of an Ending (1997)
         o My New Software (1997)
         o Tarzan at the Earth's Core (1997)
         o Ships That Sail to Mars (Part 1) (1997)
         o Ships That Sail to Mars (Part 2) (1997)
         o The Case of the Radioactive Goat Cheese (1997)
         o The Great Whale Hunt (1998)
         o To Clone or not to Clone (1998)
         o The Moon is a Sexy Geisha (1998)
         o Voyage to the Farside of the Moon (Part 1) (1998)
         o Voyage to the Farside of the Moon (Part 2) (1998)
         o The Science Fictionization of Everything (1998)
         o Mutant Seaweed Engulfs the Mediterranean (1998)
         o Crimes of My Youth (1998)
         o The Gold-Digging Ants of the Lost Plateau (1998)
         o Dem Bones, Dem Bones (1998)
         o Hast Seen the White Whale? (1998)
         o Let's Hear It for Neanderthal Man (1999)
         o End of the World Cancelled (1999)
         o More Thoughts About the End of the World (1999)
         o Lost in Translation (1999)
         o The Best is Yet to Be . . . Right? (1999)
         o The More Things Change . . . (1999)
         o Y2K II: The Disaster Continues... (1999)
         o The Wheel Keeps Turning (1999)
         o HTTP, Etc. (1999)
         o Autographs (1999)
         o The Great Tradition (1999)
         o Greetings from the Past (2000)
         o Six Degrees of Robert Silverberg (2000)
         o Smithereens (2000)
         o The Past Is in Front of Us (2000)
         o The View Through Slow Glass (2000)
         o And You Were Worried About Y2K? (2000)
         o All That Is Solid Melts Into Air (2000)
         o Pleistocene Park (2000)
         o Guest of Honor (2000)
         o The Grand Masters (2000)
         o The Evaporation of Reputations (2001)
         o Like If (2001)
         o New Wave (2001)
         o New Wave (Two) (2001)
         o Last of the Golden Age Warriors (2001)
         o The Center Does Not Hold (2001)
         o Cause and Effect (2001)
         o The Radish of All Evil (2001)
         o The Case of the Phosphorescent Rabbit (2001)
         o Dead Souls (2001)
         o Hobson-Jobson (2001)
         o The Skald of Science Fiction (2002)
         o The Final Voyage of Odysseus (2002)
         o The Cordwainer (2002)
         o Absolutely Bogus (2002)
         o Let's Hear It for Pluto (2002)
         o Problems of Time Travel (2002)
         o How to Write (2002)
         o The Squid's Elbows (2002)
         o Burning Science at the Stake (2002)
         o The Quality of Pity is not Folded (2002)
         o Prodigies (2002)
         o E-Mail from Cthulhu (2003)
         o Olla Podrida (2003)
         o Fantastic Libraries (2003)
         o Writer's Tools (2003)
         o Ancestral Voices (2003)
         o The Conquest of Space (2003)
         o When There Was No Internet (2003)
         o Theme-Parking the Past (2003)
         o The Cleve Cartmill Affair: One (2003)
         o The Cleve Cartmill Affair: Two (2003)
         o Heart of Stone (2003)
         o Neque Illorum Ad Nos Pervenire Potest (2004)
         o Fragments Out of Time (2004)
         o Fragments Out of Time: Two (2004)
         o Toward a Theory of Story (2004)
         o Toward a Theory of Story: Two (2004)
         o Toward a Theory of Story: Three (2004)
         o Trilobites (2004)
         o Once More Into Space (Maybe) (2004)
         o Far Out (2004)
         o A Postage Stamp for Isaac (2004)
         o Gardner Moves On (2005)
         o Grand Masters, the Sequel (2005)
         o A Pair of Ragged Jaws (2005)
         o Fantasies About Fiction (2005)
         o Mr. Orwell, Meet Mr. Dick and Herr Kafka (2005)
         o Two Worldcons, Worlds Apart (2005)
         o The Greatness of Cornelius Drible (2005)
         o Robert Burton, Anatomist of Melancholy (2005)
         o Serials (2005)
         o Lovecraft as Science Fiction (2005)
         o Levitating Your Dinner (2006)
         o The Days of Perky Vivienne (2006)
         o Plutonium for Breakfast (2006)
         o Tracking Down the Ancestors (2006)
         o Sixtus the Sixth (2006)
         o The Thumb on the Dinosaur's Nose (2006)
         o The Thumb on the Dinosaur's Nose: II (2006)
         o The Kraken (2006)
         o Making Backups (2006)
         o Flashing Before My Eyes (2006)
         o Farming (2007)
         o Rereading Jack Vance (2007)
         o Jack Williamson (2007)
         o Thirty Years! (2007)
         o Resurrecting the Quagga (2007)
         o Limbo on the Moon (2007)
         o Decoding Cuneiform (2007)
         o Saddam Wasn't the Worst (2007)
         o Rereading Theodore Sturgeon (2007)
         o Rereading Heinlein (2007)
         o Aladdin's Cave (2008)
         o Toilet Nirvana (2008)
         o Space Junk for Sale (2008)
         o Rereading Stapledon (2008)
         o The Death of Gallium (2008)
         o Rereading Stapledon II (2008)
         o Some Thoughts on the Short Story (2008)
         o Another Thirtieth Anniversary (2008)
         o Beaming It Down (2008)
         o A Logic Named Will (2008)
         o Hic Rhodus, Hic Salta (2009)
         o It Wasn't All That Easy [forthcoming: Feb 2009] 
   * The Spectroscope
         o The Spectroscope (Amazing Stories, April 1964) (1964)
         o The Spectroscope (Amazing Stories, May 1963) (1964)
         o The Spectroscope (Amazing Stories, June 1964) (1964)
         o The Spectroscope (Amazing Stories, July 1964) (1964)
         o The Spectroscope (Amazing Stories, August 1964) (1964)
         o The Spectroscope (Amazing Stories, September 1964) (1964)
         o The Spectroscope (Amazing Stories, October 1964) (1964)
         o The Spectroscope (Amazing Stories, November 1964) (1964)
         o The Spectroscope (Amazing Stories, December 1964) (1964)
         o The Spectroscope (Amazing Stories, January 1965) (1965)
         o The Spectroscope (Amazing Stories, February 1965) (1965)
         o The Spectroscope (Amazing Stories, March 1965) (1965)
         o The Spectroscope (Amazing Stories, April 1965) (1965)
         o The Spectroscope (Amazing Stories, May 1965) (1965)
         o The Spectroscope (Amazing Stories, June 1965) (1965)
         o The Spectroscope (Amazing Stories, August 1965) (1965) 
   * Scientific Hoaxes (Amazing Stories)
         o The Lying Stones of Dr. Beringer (1964)
         o The Men in the Moon (1965)
         o The Man Who Discovered Atlantis (1965)
         o John Keely's Perpetual Motion Machine (1965)
         o The Kensington Stone (1965) 
   * Fantasy Books (Fantastic)
         o Fantasy Books (Fantastic, January 1965) (1965)
         o Fantasy Books (Fantastic, March 1965) (1965)
         o Fantasy Books (Fantastic, April 1965) (1965)
         o Fantasy Books (Fantastic, May 1965) (1965) 
   * Readin' and Writhin'
         o Readin' and Writhin' (Science Fiction Stories)
               + Readin' and Writhin' (Science Fiction Stories, September 1958) (1958) with Jay Tyler [as by Calvin M. Knox and Jay Tyler ]
               + Readin' and Writhin' (Science Fiction Stories, May 1959) (1959) [as by Calvin M. Knox ]
               + Readin' and Writhin' (Science Fiction Stories, September 1959) (1959) [as by Calvin M. Knox ]
               + Readin' and Writhin' (Science Fiction Stories, November 1959) (1959) [as by Calvin M. Knox ] 
         o Readin' and Writhin' (Future Science Fiction)
               + Readin' and Writhin' (Future Science Fiction, February 1959) (1959) [as by Calvin M. Knox ]
               + Readin' and Writhin' (Future Science Fiction, August 1959) (1959) [as by Calvin M. Knox ]
               + Readin' and Writhin' (Future Science Fiction, October 1959) (1959) [as by Calvin M. Knox ] 
   * Fanfare (Infinity Science Fiction)
         o Guest Editorial (1956) with Randall Garrett [as by Robert Randall ]
         o Loncon 1957 (1958) 

Essays

   * Acknowledgments (Lord Valentine's Castle) (unknown)
   * Letter (A. Merritt's Fantasy Magazine, February 1950) (1950)
   * Letter (Fantastic Novels Magazine, July 1950) (1950)
   * Letter (Famous Fantastic Mysteries, August 1950): Beynon Enjoyable (1950) [as by Bob Silverberg ]
   * Letter (Fantastic Novels Magazine, September 1950) (1950) [as by Bob Silverberg ]
   * Letter (Fantastic Story Quarterly, Spring 1951) (1951) [as by Bob Silverberg ]
   * Letter (Fantastic Novels Magazine, April 1951): Successful Fanzine (1951) [as by Bob Silverberg ]
   * Letter (Startling Stories, May 1951) (1951) [as by Bob Silverberg ]
   * Letter (Thrilling Wonder Stories, June 1951) (1951) [as by Bob Silverberg ]
   * Letter (Fantastic Adventures, August 1951): Time to Retire, He Says (1951) [as by Bob Silverberg ]
   * Letter (Planet Stories, September 1951) Tsk (1951) [as by Bob Silverberg ]
   * Letter (Famous Fantastic Mysteries, October 1951): Fanzine is Expanding (1951) [as by Bob Silverberg ]
   * Fanmag (1953) [as by Bob Silverberg ]
   * Letter (Science Fiction Stories, January 1956) (1956) [as by Bob Silverberg ]
   * They Write... (1956)
   * Non-Fiction (1957)
   * The Book-Space (1958) [as by Calvin M. Knox ]
   * The Book-Space (Science Fiction Adventures, April 1958) (1958)
         o Variant Title: The Book-Space (1958) [as by Calvin M. Knox ] 
   * The Book-Space (Science Fiction Adventures, June 1958) (1958)
         o Variant Title: The Book-Space (1958) [as by Calvin M. Knox ] 
   * S-F and Escape Literature (1962)
   * Afterword: The Valley of Neander (1964)
   * Introduction (To Worlds Beyond) (1965)
   * Introduction (Earthmen and Strangers) (1966)
   * Introduction (Voyagers in Time) (1967)
   * Introduction (Men and Machines) (1968)
   * The Future in Books (Amazing Stories, July 1968) (1968) with Leroy Tanner and Poul Anderson
   * That Moon Plaque (Men on the Moon) (1969)
   * Introduction (Tomorrow's Worlds) (1969)
   * Introduction (Dark Stars) (1969)
   * Editor's Introduction (Three For Tomorrow) (1969) [as by uncredited ]
   * Robert Silverberg Issue: An Editorial (1969)
   * SF and Escape Literature (1969)
   * Editorial: Diversity in Science Fiction (1969)
   * Editorial: Characterization in Science Fiction (1969)
   * Letter (Locus #39) (1969)
   * Introduction (The Cube Root of Uncertainty) (1970)
   * Introduction (Alpha 1) (1970)
   * Introduction (The Science Fiction Hall of Fame, Volume I) (1970)
   * The Critical Literature of Science Fiction (1970)
   * Introduction (Worlds of Maybe) (1970)
   * Introduction (The Ends of Time) (1970)
   * Introduction (Great Short Novels of Science Fiction) (1970)
   * Introduction (The Mirror of Infinity) (1970)
   * Introduction (Science Fiction Hall of Fame Volume 1) (1970)
   * Comment on To See the Invisible Man (foreword) (1970)
   * Introduction (New Dimensions 1) (1971)
   * Introduction (Alpha Two) (1971)
   * Introduction (The Science Fiction Bestiary) (1971)
   * Introduction (To the Stars) (1971)
   * Introduction (Mind to Mind) (1971)
   * Author's Note (Recalled to Life) (1971)
   * [John W. Campbell Appreciation] (1971)
   * Introduction (New Dimensions 2) (1972)
   * Introduction (Alpha 3) (1972)
   * Introduction (Beyond Control) (1972)
   * Introduction (New Dimensions II) (1972)
   * Introduction (Invaders from Space) (1972)
   * Introduction (The Collected Stories of Robert Silverberg Volume 1 Secret Sharers) (1972)
   * Introduction (Valley Beyond Time) (1973)
   * Introduction (Alpha 4) (1973)
   * Introduction (Deep Space) (1973)
   * Introduction (Chains of the Sea) (1973)
   * Introduction (No Mind of Man) (1973)
   * Introduction (Other Dimensions anthology) (1973)
   * Foreword (Three Trips in Time and Space) (1973)
   * Introduction (Three Trips in Time and Space) (1973)
   * Foreword (No Mind of Man) (1973)
   * Introduction to "Sundance" (1973)
   * Letter (The Alien Critic 6) (1973)
         o Variant Title: Letter (The Alien Critic #6) (1973) [as by Bob Silverberg ] 
   * Introduction (New Dimensions 3) (1973)
   * Introduction (Threads of Time) (1974)
   * Introduction (Alpha 5) (1974)
   * Introduction (Infinite Jests) (1974)
   * Introduction (Windows into Tommorrow) (1974)
   * Introduction (Mutants) (1974)
   * Afterword (Trips) (1974)
   * Who Is Tiptree, What Is He? (1975)
   * Introduction (The New Atlantis) (1975)
   * Sounding Brass, Tinkling Cymbal (1975)
   * Introduction (Epoch) (1975) with Roger Elwood
   * Introduction (Explorers of Space) (1975)
   * Introduction (Strange Gifts) (1975)
   * Introduction (Irrational Numbers) (1976)
   * Introduction (Alpha 6) (1976)
   * Introduction (The Crystal Ship) (1976)
   * Introduction (The Aliens) (1976)
   * Stepsons of Terra: Introduction (1976)
   * Introduction (The Best of Robert Silverberg) (1976)
   * Introduction (Stepsons of Terra) (1976)
   * Introduction (New Dimensions 7) (1977)
   * Introduction (Trips in Time) (1977)
   * Introduction (Galactic Dreamers) (1977)
   * Introduction (The Visible Man) (1977)
   * Introduction (The Infinite Web) (1977)
   * Introduction (Earth Is the Strangest Planet) (1977)
   * Introduction (The Eyes of the Overworld) (1977)
   * Introduction (Unfamiliar Territory) (1977)
   * Introduction (Collision Course) (1977)
   * Introduction (Recalled to Life) (1977)
   * Introduction (The Silent Invaders) (1977)
   * Introduction (Next Stop the Stars) (1977)
   * Introduction (The Seed of Earth) (1977)
   * Harlan Ellison (1977)
   * Introduction (Alpha 7) (1977)
   * Books (Cosmos #3) (1977)
   * Introduction (Alpha 8) (1977)
   * The Silverberg That Was (1977)
   * Introduction (Triax) (1977)
   * Introduction (Alpha 9) (1978)
   * Introduction (Lost Worlds, Unknown Horizons) (1978)
   * Beyond Reality's Barriers: New Dimensions (1978) with Charles Elkins
   * Introduction (And Chaos Died) (1978)
   * The Jet-Propelled Birdbath (1978)
   * Introduction (The Songs of Summer) (1978)
   * Introduction (New Dimensions 8) (1978)
   * Introduction (Hawksbill Station) (1978)
   * Opinion (Galileo #9) (1978)
   * Opinion (Galileo #10) (1978)
   * Introduction (The Masks of Time) (1978)
   * Introduction (Car Sinister) (1979) with Martin H. Greenberg and Joseph D. Olander
   * Introduction (Dawn of Time) (1979) with Martin H. Greenberg and Joseph D. Olander
   * Introduction (The Best of New Dimensions) (1979)
   * Introduction (The Androids Are Coming) (1979)
   * Introduction (The Edge of Space) (1979)
   * Opinion (Galileo #11/12) (1979)
   * Introduction (Clans of the Alphane Moon) (1979)
   * Preface to the Second Edition (Needle in a Timestack) (1979)
   * Introduction (New Dimensions 9) (1979)
   * Opinion (Galileo #13) (1979)
   * Introduction (Born With the Dead) (1979)
   * Introduction (Master of Life and Death) (1979)
   * Introduction (Conquerors from the Darkness) (1979)
   * Introduction (The Feast of St. Dionysus) (1979)
   * Opinion (Galileo #14) (1979)
   * Opinion (Galileo #15) (1979)
   * The Arts: Books (Omni, Jul 1980) (1980)
   * "The Eyes of the Overworld" and "The Dying Earth" (1980)
   * Introduction (New Dimensions 10) (1980)
   * Introduction (The Arbor House Treasury of Modern Science Fiction) (1980) with Martin H. Greenberg
   * Author's Afterword (1980)
   * Memoir (1980)
   * The Silverberg Papers: Part 3 (1980)
   * Introduction (The Arbor House Treasury of Great Science Fiction Short Novels) (1980) with Martin H. Greenberg [as by Martin Harry Greenberg and Robert Silverberg ]
   * Opinion (Galileo #16) (1980)
   * Foreword: A Time of Changes (1980)
   * Letter (Locus #237) (1980)
   * Afterword (The Dawning Light) (1981)
   * Introduction (A Robert Silverberg Omnibus) (1981)
   * Humans as Machines: The Ideas of Edward O. Wilson (1981)
   * Lou Tabakow: An Appreciation (1981)
   * Introduction (The Science Fictional Dinosaur) (1982) with Martin H. Greenberg and Charles G. Waugh
   * Geologic Time Scale (1982) with Martin H. Greenberg and Charles G. Waugh
   * Selected Mesozoic Reptiles (1982) with Charles G. Waugh and Martin H. Greenberg
   * Glossary (1982) with Martin H. Greenberg and Charles G. Waugh
   * Further Reading (1982) with Charles G. Waugh and Martin H. Greenberg
   * Introduction (World of a Thousand Colors) (1982)
   * Introduction (The Best of Randall Garrett) (1982)
   * Philip K. Dick Appreciation (1982)
   * Alva Rogers: An Appreciation (1982)
   * Author's Introduction (World's Fair 1992) (1982)
   * Introduction (The Arbor House Treasury of Science Fiction Masterpieces) (1983) with Martin H. Greenberg
   * Introduction (The Fantasy Hall of Fame) (1983)
   * Harlan Ellison: An Appreciation (1983)
   * Introduction (The Nebula Awards #18) (1983)
   * Introduction (Great Tales of Science Fiction) (1983) with Martin H. Greenberg
   * The Way the Future Looks: THX 1138 and Blade Runner (1984)
   * Afterword(Gilgamesh the King) (1984)
   * Introduction (The Conglomeroid Cocktail Party) (1984)
   * Introduction (A Separate Star) (1984)
   * Introduction (The Time Travellers - A Science Fiction Quartet) (1985)
   * A Writer's Beginnings (1985)
   * The Concept Seminar (Medea: Harlan's World) (1985) with Frank Herbert and Thomas M. Disch and Harlan Ellison and Theodore Sturgeon
   * Introduction (Amazing Stories: Vision of Other Worlds) (1986)
   * Introduction (This Immortal) (1986)
   * Preface (Lightship) (1986)
   * Introduction (Beyond the Safe Zone) (1987)
   * Introduction (Great Science Fiction of the 20th Century) (1987) with Martin H. Greenberg
   * Foreword (Robert Silverberg's Worlds of Wonder) (1987)
   * Introduction: The Making of a Science-Fiction Writer (1987)
   * Four in One: Complications, With Elegance (1987)
   * Fondly Fahrenheit: Who Am I, Which Are You? (1987)
   * No Woman Born: Flowing from Ring to Ring (1987)
   * Home Is the Hunter: The Triumph of Honest Roger Bellamy (1987)
   * The Monsters: Don't Forget to Kill Your Wife (1987)
   * Common Time: With All of Love (1987)
   * Scanners Live in Vain: Under the Wire with the Habermans (1987)
   * Hothouse: The Fuzzypuzzle Odyssey (1987)
   * The New Prime: Six Plots for the Price of One (1987)
   * Colony: I Trusted the Rug Completely (1987)
   * The Little Black Bag: Press Button for Triple Bypass (1987)
   * Light of Other Days: Beyond the Radius of Capture (1987)
   * Day Million: A Boy, a Girl, a Love Story (1987)
   * Foreword (Barlowe's Guide to Extraterrestrials) (1987)
   * For Further Reading (Robert Silverberg's Worlds of Wonder) (1987)
   * Introduction (The Mammoth Book of Fantasy All-Time Greats) (1988)
   * The Literary Career of Robert Silverberg: Current Directions . . . and Past Achievements (1988)
   * Introduction (Worlds Imagined) (1989) with Martin H. Greenberg
   * Author's Foreword (1990)
   * Introduction(In Another Country/Vintage Season) (1990)
   * Introduction (Universe 1) (1990)
   * Afterword (Glory's End) (1990)
   * Afterword (The Pirate Paradox) (1991)
   * Afterword (Timecrime, Inc.) (1991)
   * Introduction (Beyond the Gate of Worlds) (1991)
   * Foreword (Geodesic Dreams: The Best Short Fiction of Gardner Dozois) (1992)
   * Introduction (Unnatural Diplomacy (Isaac's Universe, Vol 3)) (1992)
   * Heinlein (1992)
   * Introduction (Universe 2) (1992)
   * Foreword (Geodesic Dreams) (1992)
   * Introduction (Murasaki) (1992)
   * Introduction (Pluto in the Morning Light) (1992)
   * Kingdom of the Titans (1992)
   * Read This (The New York Review of Science Fiction, April 1993) (1993)
   * To a Writer Just Starting Out (1994)
   * Introduction (Universe 3) (1994)
   * Reflections (Asimov's, July 1994) (1994)
   * Introduction (The Ultimate Alien) (1995)
   * Introduction (The Lost World) (1995)
   * Letters (1995) with Sheila Williams
   * Alive as You and Me (1995)
   * Editorial: Not the Book Review Column (1995)
   * Old Enough to Vote (1995)
   * Introduction (City) (1996)
   * Introduction(A Century of Fantasy 1980-1989) (1996)
   * Foreword (Killdozer!) (1996)
   * Introduction (Dinosaurs) (1996)
   * Foreward (Off Limits: Tales of Alien Sex) (1996)
   * Foreword (Off Limits: Tales of Alien Sex) (1996)
   * Introduction ( Virtual Unrealities) (1996)
   * Introduction (The Fantasy Hall of Fame) (1996)
   * Gresham's Law and Science Fiction (1997)
   * Quantity and Quality: The Short Ficton of Philip K. Dick (1998)
   * Introduction (Legends) (1998)
   * Oh, Avram, Avram, What a Wonder You Were! (1998)
   * Introduction: My Boy Friend's Name Is Jello (1998)
   * The Observatory: Fifty Years Together (1999)
   * Introduction (Legends 2) (1999)
   * Introduction (Far Horizons : All New Tales from the Greatest Worlds of Science Fiction) (1999)
   * Introduction (Far Horizons: The Great Worlds of Science Fiction) (1999)
   * The Observatory: Yesteryear's Futures (2000)
   * Introduction (Legends 3) (2000)
   * Introduction (Lion Time in Timbuctoo) (2000)
   * Far Horizons: All New Tales from the Greatest Worlds of Science Fiction(List of Authors) (2000)
   * Introduction (Tendeléo's Story) (2000)
   * Introduction (The Moon Pool) (2001)
   * Cronos: An Introduction (Cronos) (2001)
   * Here Comes Civilization: Introduction (Here Comes Civilization) (2001)
   * Introduction to Strangers (2001)
   * Introduction (We the Underpeople) (2002)
   * Foreword (The Great Science Fiction: 1964) (2002)
   * Introduction (The Great Science Fiction: 1964) (2002)
   * Introduction (Science Fiction: The Best of 2001) (2002) with Karen Haber
   * Introduction (Science Fiction: The Best of 2002) (2003) with Karen Haber
   * Introduction (Legends II) (2003)
   * Alvin Maker (2003)
   * Majipoor (2003)
   * Introduction (Other Dimensions ombibus) (2003)
   * Worlds Apart (2004)
   * Introduction (Legends II: New Short Novels by the Masters of Modern Fantasy) (2004)
   * Introduction(Sailing to Byzantium) (2004)
   * Introduction: Distant Realms of Space and Time (2004)
   * Twenty Years! (Writers of the Future Volume XX) (2004)
   * Foreword (Best of the Best: 20 Years of the Year's Best Science Fiction) (2005)
   * Foreword (2005)
   * Remove this one (2007)
   * Introduction (Something Wild is Loose) (2008)
   * Locus (2008) 

Reviews

   * Double Star (1957) [as by Calvin M. Knox ]
   * The Cosmic Puppets (1957) [as by Calvin M. Knox ]
   * Occam's Razor (1957) [as by Calvin M. Knox ]
   * Sargasso of Space (1957) [as by Calvin M. Knox ]
   * City Under the Sea (1957) [as by Calvin M. Knox ]
   * Star Ways (1957) [as by Calvin M. Knox ]
   * The Time Dissolver (1957) [as by Calvin M. Knox ]
   * Wasp (1957) [as by Calvin M. Knox ]
   * The Variable Man and Other Stories (1957) [as by Calvin M. Knox ]
   * Rogue in Space (1957) [as by Calvin M. Knox ]
   * Alien Dust (1957) [as by Calvin M. Knox ]
   * Doomsday Morning (1957) [as by Calvin M. Knox ]
   * The Infinite Brain (1957) [as by Calvin M. Knox ]
   * Big Planet (1957) [as by Calvin M. Knox ]
   * Twice in Time (1957) [as by Calvin M. Knox ]
   * Robots and Changelings (1957) [as by Calvin M. Knox ]
   * Pilgrimage to Earth (1957) [as by Calvin M. Knox ]
   * Out of This World (1958) [as by Calvin M. Knox ]
   * Man of Earth (1958) [as by Calvin M. Knox ]
   * Children of the Atom (1958) [as by Calvin M. Knox ]
   * Three Times Infinity (1958) [as by Calvin M. Knox ]
   * A Case of Conscience (1958) by James Blish
   * Yonder (1958) by Charles Beaumont
   * Deadly Image (1958) by Edmund Cooper
   * Starburst (1958) by Alfred Bester
   * VOR (1958) by James Blish
   * Who? (1958) by Algis Budrys
   * Second Foundation (1958) by Isaac Asimov
   * Worlds Apart (1958) by J. T. McIntosh
   * The Skylark of Space (1958) by Edward E. Smith
   * Men on the Moon (1958) [as by Calvin M. Knox ]
   * The Space Egg (1958) [as by Calvin M. Knox ]
   * The Tower of Zanid (1958) [as by Calvin M. Knox ]
   * A Mile Beyond the Moon (1958) [as by Calvin M. Knox ]
   * Five Galaxy Short Novels (1958) [as by Calvin M. Knox ]
   * No Place on Earth (1958) [as by Calvin M. Knox ]
   * Ralph 124C41+ (1958) [as by Calvin M. Knox ]
   * Address: Centauri (1958) [as by Calvin M. Knox ]
   * Satellite E One (1958) by Jeffery Lloyd Castle [as by Calvin M. Knox ]
   * No Blade of Grass (1958) [as by Calvin M. Knox ]
   * The Survivors (1958) by Tom Godwin
   * The Seedling Stars (1958) by James Blish
   * The Graveyard Reader (1958) by Groff Conklin
   * Virgin Planet (1959) [as by Calvin M. Knox ]
   * The Third Level (1959) [as by Calvin M. Knox ]
   * City (1959) [as by Calvin M. Knox ]
   * The Blue Barbarians (1959) [as by Calvin M. Knox ]
   * The Midwich Cuckoos (1959) [as by Calvin M. Knox ]
   * Slaves of the Klau (1959) [as by Calvin M. Knox ]
   * Fire in the Heavens (1959) [as by Calvin M. Knox ]
   * Big Planet (1959) [as by Calvin M. Knox ]
   * Undersea City (1959) [as by Calvin M. Knox ]
   * Satellites, Rockets and Outer Space (1959) [as by Calvin M. Knox ]
   * Earthman, Come Home (1959) [as by Calvin M. Knox ]
   * Waldo: Genius in Orbit (1959) [as by Calvin M. Knox ]
   * Lost in Space (1959) [as by Calvin M. Knox ]
   * The Third Galaxy Reader (1959) [as by Calvin M. Knox ]
   * The Cosmic Rape (1959) [as by Calvin M. Knox ]
   * Destination, Infinity (1959)
         o Variant Title: Destination: Infinity (1959) [as by Calvin M. Knox ] 
   * Methusaleh's Children (1959)
         o Variant Title: Methuselah's Children (1959) [as by Calvin M. Knox ] 
   * The Puppet Masters (1959) [as by Calvin M. Knox ]
   * The Unknown Five (1964) by D. R. Bensen
   * Time and Stars (1964) by Poul Anderson
   * Man of Two Worlds (1964) by Raymond F. Jones
   * The Game-Players of Titan (1964) by Philip K. Dick
   * Skylark Three (1964) by E. E. Smith
   * Analog 2 (1964) by John W. Campbell, Jr.
   * Beyond the Barrier (1964) by Damon Knight
   * The Moon People (1964) by Stanton A. Coblentz
   * The Man in the High Castle (1964) by Philip K. Dick
   * The Prince of Peril (1964) by Otis Adelbert Kline
   * The Cave Girl (1964) by Edgar Rice Burroughs
   * Future Imperfect (1964) by James Gunn
   * Sturgeon in Orbit (1964) by Theodore Sturgeon
   * Starswarm (1964) by Brian Aldiss
   * The Best from Fantasy and Science Fiction: Ninth Series (1964) by Robert P. Mills
   * Escape on Venus (1964) by Edgar Rice Burroughs
   * The Star King (1964) by Jack Vance
   * Son of the Tree / The Houses of Iszm (1964) by Jack Vance
   * The Island of Dr. Moreau (1964) by H. G. Wells
   * Orphans of the Sky (1964) by Robert A. Heinlein
   * Doctor to the Stars (1964) by Murray Leinster
   * Tales of Three Planets (1964) by Edgar Rice Burroughs
   * The Seventh Galaxy Reader (1964) by Frederik Pohl
   * The Colour Out of Space and Others (1964) by H. P. Lovecraft
   * Beyond the Farthest Star (1964) by Edgar Rice Burroughs
   * The Dark Side of the Earth (1964) by Alfred Bester
   * The Astounding Science Fiction Anthology (1964) by John W. Campbell, Jr.
   * The Wanderer (1964) by Fritz Leiber
   * A Pail of Air (1965) by Fritz Leiber
   * The Day of the Triffids (1965) by John Wyndham
   * Pirates of Venus (1965) by Edgar Rice Burroughs
   * Lost on Venus (1965) by Edgar Rice Burroughs
   * At the Earth's Core (1965) by Edgar Rice Burroughs
   * Pellucidar (1965) by Edgar Rice Burroughs
   * Tanar of Pellucidar (1965) by Edgar Rice Burroughs
   * A Princess of Mars (1965) by Edgar Rice Burroughs
   * A Fighting Man of Mars (1965) by Edgar Rice Burroughs
   * The World of Null-A (1965) by A. E. van Vogt
   * Pilgrimage to Earth (1965) by Robert Sheckley
   * The Dream Adventure: A Literary Anthology (1965) by Roger Caillois
   * Ghost and Horror Stories of Ambrose Bierce (1965) by Ambrose Bierce
   * Weird Tales (1965) by Leo Margulies
   * Golden Blood (1965) by Jack Williamson
   * The October Country (1965) by Ray Bradbury
   * Three Science Fiction Novels (1965) by John Taine
   * Astounding Tales of Space and Time (1965) by John W. Campbell, Jr.
   * Index to the Science Fiction Magazines (1965) by Al Lewis
   * Tomorrow X 4 (1965) by Damon Knight
   * Doctor Mirabilis (1965) by James Blish
   * The Rest of the Robots (1965) by Isaac Asimov
   * Rogue Moon (1965) by Algis Budrys
   * Almuric (1965) by Robert E. Howard
   * The Reign of Wizardry (1965) by Jack Williamson
   * Who Fears the Devil? (1965) by Manly Wade Wellman
   * Valley of the Flame (1965) by Henry Kuttner
   * The Day the World Ended (1965) by Sax Rohmer
   * The Dark Light Years (1965) by Brian W. Aldiss
   * The Penultimate Truth (1965) by Philip K. Dick
   * Voyage to the Bottom of the Sea (1965) by Theodore Sturgeon
   * Sinister Barrier (1965) by Eric Frank Russell
   * The Best Ghost Stories of J. S. Le Fanu (1965) by Joseph Sheridan Le Fanu
   * The Radio Beasts (1965) by Ralph Milne Farley
   * The Blind Spot (1965) by Austin Hall and Homer Eon Flint
   * Atlantida (1965) by Pierre Benoit
   * Worlds of Weird (1965) by Leo Margulies
   * The Synthetic Man (1965) by Theodore Sturgeon
   * The Spot of Life (1965) by Austin Hall
   * Convention Annual No. 3. Discon edition (1965) by Jay Kay Klein
   * The First Men in the Moon (1965) by H. G. Wells
   * Darkness and Dawn (1965) by George Allan England
   * A Checklist of Science Fiction Anthologies (1965) by Walter Cole
   * The Worlds of Robert F. Young (1965) by Robert F. Young
   * The Planet Buyer (1965) by Cordwainer Smith
   * Cosmic Engineers (1965) by Clifford D. Simak
   * The Challenge of the Planetoids (1965) by Dandridge M. Cole and Donald W. Cox
   * The War of the Worlds (1965) by H. G. Wells
   * The Time Machine (1965) by H. G. Wells
   * The War in the Air, In the Days of the Comet, and The Food of the Gods (1965) by H. G. Wells
   * Two Complete Novels (1965) by Theodore Sturgeon
   * The Syndic (1965) by Cyril Kornbluth
   * Quicksand (1968) by John Brunner
   * View from Another Shore (1974) by Franz Rottensteiner
   * Early del Rey (1975) by Lester del Rey
   * Alternate Worlds: The Illustrated History of Science Fiction (1976) by James Gunn
   * The Computer Connection (1976) by Alfred Bester
   * Galaxies (1976) by Barry N. Malzberg
   * The Infinity Box (1976) by Kate Wilhelm
   * The Inverted World (1976) by Christopher Priest
   * Bio-Futures (1977) by Pamela Sargent
   * Science Fiction of the 30's (1977) by Damon Knight
   * The Light Fantastic (1977) by Alfred Bester
   * A World Out of Time (1977) by Larry Niven
   * Sword of the Demon (1977) by Richard A. Lupoff
   * Solar Lottery (1977) by Philip K. Dick
   * The Best of Philip K. Dick (1977) by Philip K. Dick
   * A Scanner Darkly (1977) by Philip K. Dick
   * Rocannon's World (1977) by Ursula K. Le Guin
   * The Last Celt: A Bio-Bibliography of Robert Ervin Howard (1977) by Glenn Lord
   * The Earth Again Redeemed (1977) by Martin Green



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