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Fiction Series
- Exiles (Ben Bova)
- The Exiles Trilogy (1980) [O/1,2,3]
- 1
Exiled from Earth (1971)
also appeared as:
- Magazine Appearances:
- Exiled From Earth (Part 1 of 2) (1971)
- Exiled From Earth (Part 2 of 2) (1971)
- 2 Flight of Exiles (1972)
- 3 End of Exile (1975)
- Kinsman
- Test in Orbit (1965) [SF]
- The Weathermakers (1967)
- Fifteen Miles (1967) [SF]
- Zero Gee (1972) [SF]
- The Kinsman Saga (1987) [O/1,2]
- 1 Millennium (1976)
- 2 Kinsman (1979)
- The Grand Tour
- Empire Builders (1985)
- Return to Mars (1999)
- Tales of the Grand Tour (2004) [C]
- Powersat (2005)
- Mars Life (2008)
- 1 Mars (1992)
- 1 Venus (2000)
- 2 Jupiter (2000)
- 3 Saturn (2003)
- 4 Mercury (2005)
- 5 Titan (2006)
- The Asteroid Wars
- The Asteroid Wars (2004) [O/1-3]
- 1
The Precipice (2001)
also appeared as:
- Magazine Appearances:
- The Precipice (Part 1 of 4) (2001)
- The Precipice (Part 2 of 4) (2001)
- The Precipice (Part 3 of 4) (2001)
- The Precipice (Part 4 of 4) (2001)
- 2 The Rock Rats (2002)
- 3 The Silent War (2004)
- 4 The Aftermath (2007)
- Orion
- Floodtide (1977) [SF]
- Orion (1984)
- Vengeance of Orion (1988)
- Orion in the Dying Time (1990)
- Orion and the Conqueror (1994)
-
Orion Among the Stars (1995)
also appeared as:
- Magazine Appearances:
- Orion Among the Stars (Part 1 of 4) (1995)
- Orion Among the Stars (Part 2 of 4) (1995)
- Orion Among the Stars (Part 3 of 4) (1995)
- Orion Among the Stars (Part 4 of 4) (1995)
- Legendary Heroes (1996) [SF]
- Sam Gunn
- Sam Gunn (1983) [SF]
- Isolation Area (1984) [SF]
- Diamond Sam (1988) [SF]
- A Can of Worms (1989) [SF]
- Vacuum Cleaner (1991) [SF]
- Sam's War (1994) [SF]
- Acts of God (1995) [SF]
- Nursery Sam (1996) [SF]
- Sam and the Prudent Jurist (1997) [SF]
- Tourist Sam (1998) [SF]
- Statement of Juanita Carlotta Maria Rivera y Molina (1998) [SF]
- Statement of the Rt. Hon. Jill McD. Meyers (1998) [SF]
- Statement of Lawrence V. Karsh (1998) [SF]
- Statement of Clark Griffith IV (1998) [SF]
- Statement of Steven Achernar Wright (1998) [SF]
- Sam and the Flying Dutchman (2003) [SF]
- The Sam Gunn Omnibus (2007) [C]
- 1 Sam Gunn, Unlimited (1992)
- 2 Sam Gunn Forever (1998) [C]
- Star Watch/Watchmen
- The Watchmen (1994) [O/2,3]
- 1 The Star Conquerors (1959)
- 2 Star Watchman (1964)
- 3
The Dueling Machine (1969)
also appeared as:
- Variant Title: The Duelling Machine (1977)
- To Save the Sun
- 1 To Save the Sun (1992) with A. J. Austin
- 2 To Fear the Light (1994) with A. J. Austin
- Voyagers
- 1 Voyagers (1981)
- 2 Voyagers II: The Alien Within (1986)
- 3 Voyagers III: Star Brothers (1990)
- 4 The Return (2009)
-
Out of the Sun (1968)
also appeared as:
- Variant Title: Out of the Sun (rev 1984) (1984)
- Escape! (1970)
- THX 1138 (1971)
- As on a Darkling Plain (1972)
- When the Sky Burned (1973)
- The Winds of Altair (1973)
-
Gremlins, Go Home! (1974)
with
Gordon R. Dickson
also appeared as:
- Variant Title: Gremlins Go Home (1974) [as by Ben Bova and Gordon R. Dickson ]
- The Starcrossed (1975)
- The Multiple Man (1976)
- City of Darkness (1976)
- Colony (1978)
- Test of Fire (1982)
- The Winds of Altair (1983 rewrite) (1983)
- Privateers (1985)
-
The Peacekeepers (1988)
also appeared as:
- Variant Title: Peacekeepers (1988)
- Cyberbooks (1989)
- The Trikon Deception (1992) with Bill Pogue
- Triumph (1993)
- Death Dream (1994)
- Brothers (1995)
- The Green Trap (2006)
- The Immortality Factor (2009)
- Forward in Time (1973)
- Notes to a Science Fiction Writer (1975)
- Maxwell's Demons (1978)
- Escape Plus (1984)
- The Astral Mirror (1985)
- Prometheans (1986)
- Battle Station (1987)
- Future Crime (1990)
- Challenges (1993)
- Twice Seven (1998)
- Hour of the Gremlins (2002) [O/3N] with Gordon R. Dickson
- Laugh Lines (2008) [ONone]
- Astounding/Analog
- Analog
- Analog Science Fiction/Science Fact - 1972 (1972)
- Analog Science Fiction/Science Fact - 1973 (1973)
- Analog Science Fiction/Science Fact - 1974 (1974)
- Analog Science Fiction/Science Fact - 1975 (1975)
- Analog Science Fiction/Science Fact - 1976 (1976)
- Analog Science Fiction/Science Fact - 1977 (1977)
- Analog Science Fiction/Science Fact - 1978 (1978)
- Analog
- Omni
- Omni - 1978 (1978) with Frank Kendig
- Omni - 1979 (1979) with Frank Kendig
- Omni - 1980 (1980) with Robert Sheckley
- Omni - Jan - Sep 1981 (1981) with Robert Sheckley
- Omni - 1981 (1981) with Dick Teresi
- Omni - 1982 (1982)
- Omni - 1982 (1982) with Dick Teresi
- Analog Anthologies
- Analog Annual (1976)
- The Best of Analog (1978)
- Analog Yearbook (1978)
- Analog Anthologies (Campbell)
- 9 Analog 9 (1973)
- The Science Fiction Hall of Fame
- Science Fiction Hall of Fame: The Novellas, Book 1 (1975)
- Science Fiction Hall of Fame: The Novellas, Book 2 (1975)
- Science Fiction Hall of Fame: The Novellas, Book 3 (1975)
- 2
The Science Fiction Hall of Fame, Volume 2A (1973)
also appeared as:
- Variant Title: The Science Fiction Hall of Fame, Volume Two (1973)
- Variant Title: The Science Fiction Hall of Fame, Volume IIA (1974)
- 3
The Science Fiction Hall of Fame, Volume 2B (1973)
also appeared as:
- Variant Title: The Science Fiction Hall of Fame, Volume Three (1974)
- Variant Title: The Science Fiction Hall of Fame, Volume IIB (1974)
- Three By . . . (Novellas)
- 1 Aliens (1977)
- 2 Exiles (1977)
- 3 Novella: 3 (1978)
- The Best of Omni Science Fiction
- 1 The Best of Omni Science Fiction (1980) with Don Myrus
- 2 The Best of Omni Science Fiction, No. 2 (1981) with Don Myrus
- 3 The Best of Omni Science Fiction, No. 3 (1982) with Don Myrus
- 4 The Best of Omni Science Fiction, No. 4 (1982) with Don Myrus
- Nebula Awards
- 42 Nebula Awards Showcase 2008 (2008)
- The Many Worlds of Science Fiction (1971)
- The Best of the Nebulas (1989)
- Future Quartet: Earth in the Year 2042: A Four-Part Invention (1994) with Frederik Pohl and Jerry Pournelle and Charles Sheffield
- The Science Fiction Box: Eye for Eye, Run for the Stars, And Tales of the Grand Tour (2006) with Orson Scott Card and Harlan Ellison
- The Milky Way Galaxy (1961)
- The Fourth State of Matter (1974)
- The Analog Science Fact Reader (1974)
- Through Eyes of Wonder (1975)
- In Quest of Quasars (1975)
- Viewpoint (1977)
- Closeup: New Worlds (1977) with Trudy E. Bell
- The High Road (1981)
- Vision of the Future: The Art of Robert McCall (1982) with Robert McCall
- Assured Survival: Putting the Star Wars Defense in Perspective (1984)
- Star Peace (1986)
- Welcome to Moonbase (1987)
- Interactions: A Journey Through the Mind of a Particle Physicist and the Matter of This World (1988) with Sheldon Glashow
- The Craft of Writing Science Fiction That Sells (1994)
- Time Travel: A Writer's Guide to the Science of Interplanetary and Interstellar Travel (1997) with Anthony R. Lewis
- Space Travel (1997) with Anthony R. Lewis
- Immortality: How Science is Extending Your Life Span (1998)
- Faint Echoes, Distant Stars: The Science and Politics of Finding Life Beyond Earth (2004)
- A Long Way Back (1960)
- The Towers of Titan (1962)
- The Next Logical Step (1962)
- Answer, Please Answer (1962)
- The Perfect Warrior (1963)
-
The Dueling Machine (1963)
with
Myron R. Lewis
also appeared as:
- Variant Title: The Perfect Warrior (1963)
- Variant Title: The Dueling Machine (1963) [as by Ben Bova ]
- Men of Good Will (1964) with Myron R. Lewis [also as by Ben Bova ]
- Stars, Won't You Hide Me? (1966)
- The Weathermakers (1966)
- Talk to Me, Sweetheart (1967)
- The System (1968)
- Manhattan Dome (1968)
-
Foeman, Where Do You Flee? (1969)
also appeared as:
- Variant Title: Foeman (1969)
- Escape! (1970)
- Pressure Vessel (1970)
- Blood of Tyrants (1970)
- Brillo (1970) with Harlan Ellison
- A Slight Miscalculation (1971)
- Priorities (1971)
- The Man Who Saw "Gunga Din" Thirty Times (1973)
- The Secret Life of Henry K. (1973)
- The Sightseers (1973)
- The Great Supersonic Zeppelin Race (1974)
- The Shining Ones (1974)
- Build Me a Mountain (1974)
- Sword Play (1975)
- Orion (1977)
- Those Who Can (1978)
- The Man Who... (1978)
- The Lieutenant and the Folksinger (1978)
- The Last Decision (1978)
- To Be or Not (1978)
- Last Word: Science Fiction Writers, Unite! (1979)
- Kinsman (Excerpt) (1979)
- Vision (1980)
- Vince's Dragon (1981)
- Voyagers (1981)
- Three Fallacies (Excerpt) (1981)
- Love Calls (1982)
- The Angel's Gift (1983)
- A Small Kindness (1983)
- Cement (1984)
- Free Enterprise (1984)
- Born Again (1984)
- Out of Time (1984)
- Amorality Tale (1985)
- Primary (1985)
- Nuclear Autumn (1985)
- Béisbol (1985)
- Battle Station (1987)
- Brothers (1987)
- To Touch a Star (1987)
- Silent Night (1987)
- Impact (Excerpt from The Peacekeepers) (1988)
- Water Rite (1988)
- Crisis of the Month (1988)
- The Man Who Hated Gravity (1989)
- World War 4.5 (1990)
- Fitting Suits (1990)
- Einstein's Law (1990)
- The Long Fall (1991)
- Muzhestvo (excerpt from Mars) (1992)
- He Who Must Die (1992) with A. J. Austin
- The Red World and the Blue (excerpt) (1992)
- Bushido (1992)
- Sepulcher (1992)
-
Thy Kingdom Come (1993)
also appeared as:
- Magazine Appearances:
- Thy Kingdom Come (Part 1 of 2) (1993)
- Thy Kingdom Come (Part 2 of 2) (1993)
- The Mask of the Rad Death (1993)
- Interdepartmental Memo (1993)
- Re-Entry Shock (1993)
- Conspiracy Theory (1993)
- Empire Builders (excerpt) (1993)
- Inspiration (1994)
- Delta Vee (1995)
- In Trust (1995)
- Life as We Know It (1995)
- Risk Assessment (1996)
- Appointment in Sinai (1996)
- The Great Moon Hoax or A Princess of Mars (1996)
- The Babe, the Iron Horse, and Mr. McGillicuddy (1997) with Rick Wilber
- Lower the River (1997)
- The Café Coup (1997)
- The Mark of Zorro (1998)
- The Question (1998)
-
Remember Caesar (1998)
also appeared as:
- Variant Title: Remember, Caesar (1998)
- The Quest for Steel (1998)
- Mount Olympus (1999)
- Charger (1999)
- Red Sky at Morning (1999)
- Dux Bellorum (1999)
- High Jump (2000)
- Leviathan (excerpt from Jupiter) (2000)
- Greenhouse Chill (2000)
- Death on Venus (2000)
- Power & Glory (2000)
- Enchantment (2001)
- The Rock Rats (Excerpt) (2002)
- Monster Slayer (2003)
- Guinevere's Fate (2003)
- Mercury (excerpt) (2005)
- The Supersonic Zeppelin (2005)
- Piker's Peek (2005)
- Tales of the Grand Tour (2006)
- Takes Two to Tangle (2006)
- Waterbot (2008)
- Moon Race (2008)
- Science Fact (Analog)
- Origin of the Solar System (1964) with William F. Dawson
- It's Done with Mirrors (1965) with William F. Dawson
- Magnetohydrodynamics (1965)
- It's RIGHT Over Your Nose! (1968)
- What Supports Apollo? (1970) with J. Russell Seitz
- Galactic Geopolitics (1972)
- When the Sky Falls (1972)
- Space Profits (1995)
- Extraterrestrial Life: A New Era Begins (1996)
- The New Era - Part II (1997)
- The New Outlook for Astrobiology (2002)
- Isaac Was Right: N Equals One (2003)
- Editorial (Analog)
- The Popular Wisdom (1972)
- Born to Lose (1972)
- "What Good Is It?" (1972)
- Christmas plus 20 (1977)
- Analog Books (1978)
- Political Science Revisited (1978)
- Aloha (1978)
- The Either/Or Fallacy (1989)
- Editorial Courage (1990)
- Science (F&SF)
- Sex in Space (2001)
- Brass Tacks
- Brass Tacks (Analog, February 1978) (1978)
- Brass Tacks (Analog, August 1978) (1978)
- Brass Tacks (Analog, June 1979) (1979) with Stanley Schmidt
- Extra-Terrestrial Life: An Astronomer's Theory (1962)
- The Three Requirements of Life in the Solar System (1962)
- The Inevitability of Life (1962)
- Life Among the Stars (1962)
- Progress Report: Life Forms in Meteorites (1963)
- Intelligent Life in Space (1963)
- Where Is Everybody? (1963)
- Neutrino Astronomy (1963)
- The Weather in Space (1963)
- Interstellar Flight (1964)
- The Time of Great Dying (1964)
- Planetary Engineering (1964)
- Operation Shirtsleeve (1964)
- The Alien Worlds (1964)
- Yardsticks in Space (1965)
- Explosions in Space (1965)
- Introduction (The Many Worlds of Science Fiction) (1971)
- The Mystic West (1972)
- Man Changes the Weather (extract) (1973)
- Introduction (Science Fiction Hall of Fame Volume 2A) (1973)
- Introduction (Analog 9) (1973)
- Introduction (Science Fiction Hall of Fame: The Novellas) (1973)
- Introduction (Science Fiction Hall of Fame Volume 2B) (1973)
- Starflight (1973)
- Man Changes the Weather (1973)
- Introduction (The Science Fiction Hall of Fame, Volume IIB) (1973)
- Giant Step Backward (1973)
- Introduction (Forward in Time) (1973)
- The Future of Science: Prometheus, Apollo, Athena (1974)
- What Chariots of Which Gods? (1974)
- The Role of Science Fiction (1974)
- Mental Energy Crisis (1974)
- Teaching Science Fiction (1974)
- The Idea Factory (1974)
- Bibliography (Notes to a Science Fiction Writer) (1975)
- Thinking and Doing (1975)
- Plot: Practice (1975)
- Plot: Theory (1975)
- Conflict: Practice (1975)
- Conflict: Theory (1975)
- Background: Practice (1975)
- Background: Theory (1975)
- Character: Practice (1975)
- Character: Theory (1975)
- Introduction: The Slushpile (1975)
- Introduction (Science Fiction Hall of Fame: The Novellas, Book 3) (1975)
- By Their Fruits (1975)
- Letter (Science Fiction Review #14) (1975)
- Kelvin Throop Fights Back (1975)
- The SF Game (1975)
- Introduction: Hugo, John and the Magazines (1976)
- But What If We Tried It? (1976)
- Teaching the Teachers (1976)
- New Worlds for Old (1976)
- Proxmired (1976)
- Introduction (New Voices in Science Fiction) (1977)
- Introduction (Aliens) (1977)
- Introduction (Exiles) (1977)
- The Seeds of Tomorrow (extract) (1977)
- The Seeds of Tomorrow (1977)
- Introduction: Five Stars (1977)
- The Origin of the Solar System (1977) with Richard C. Hoagland
- And Beyond (1977)
- Beyond Our Brain (1977) with Isaac Asimov
- This Isn't Exactly the Way I Had Planned It (1977)
- Inside Analog, or How I Learned to Stop Worrying and Love My Job (1977)
- Space: 1999, Marked Down from 2001 (1977)
- Introduction: Spider Robinson: The SF Writer as Empath (1977)
- Spider Robinson: The SF Writer as Empath (Introduction)(Callahan's Crosstime Saloon) (1977)
- Taking Off in All Directions (1978)
- Introduction: The Hero as Sociopath (1978)
- Introduction (Novella: 3) (1978)
- Introduction: Taking Off in All Directions (1978)
- Introduction: The Best and the Brightest (1978)
- Joan Vinge: The Turing Criterion (1979)
- Science Fiction and Reality (1979)
- The Arts: Books (Omni, Feb 1979) (1979)
- First Word (Omni, Mar 1979) (1979)
- First Word (Omni, Jul 1979) (1979)
- Letter (Analog, August 1979) (1979)
- Introduction: Joan Vinge: The Turing Criteria (1979)
- Science Fiction and Survival (1980)
- Introduction (The Best of Omni Science Fiction) (1980)
- First Word (Omni, Jan 1980) (1980)
- First Word (Omni, Feb 1980) (1980)
- First Word (Omni, Mar 1980) (1980)
- First Word (Omni, June 1980) (1980)
- First Word (Omni, Nov 1980) (1980)
- First Word (Omni, Dec 1980) (1980)
- Moonstruck! (1980)
- Letter (Locus #240) (1980)
- We Have Met the Mainstream... (Nebula Winners 15) (1981)
- Building a Real World (1981)
- Introduction: An Open Letter to the Author (1981)
- First Word (Omni, Apr 1981) (1981)
- First Word (Omni, May 1981) (1981)
- First Word (Omni, Jul 1981) (1981)
- Space: "It Was Worth It" (1981)
- First Word (Omni, Nov 1981) (1981)
- Randall Garrett - Big-Heart (1982)
- Introduction: The Inevitable (1982)
- Foreword (The Omni Future Almanac) (1982)
- First Word (Omni, Feb 1982) (1982)
- First Word (Omni, Mar 1982) (1982)
- First Word (Omni, Apr 1982) (1982)
- First Word (Omni, Jun 1982) (1982)
- Soviet Space Offensive (1982)
- First Word (Omni, Aug 1982) (1982)
- Private Enterprise Goes into Orbit (1983)
- SETI (1983)
- Letter (Locus #268) (1983)
- Space: Planetary Blues (1983)
-
Who's There? (1983)
only appeared as:
- Variant Title: SETI (1983)
- Zero-G Lab (1983)
- NASA at Twenty-Five (1983)
- Freedom from Fear (1984)
- Laser Propulsion (1984)
- Symbolism in Science Fiction (1984)
- Forecast: The Worlds Modeler (1984)
- Meteorites (1984)
-
Pebbles from Heaven (1984)
only appeared as:
- Variant Title: Meteorites (1984)
- Escape! (introduction) (1984)
- Vince's Dragon (introduction) (1984)
- The Last Decision (introduction) (1984)
- Blood of Tyrants (introduction) (1984)
- The Shining Ones (introduction) (1984)
- A Long Way Back (introduction) (1984)
- The Astral Mirror (1985)
- Science Fiction (1985)
- Robot Welfare (1985)
- Space Station (1985)
- Telefuture (1985)
- Blessed Be the Peacemakers (1985)
-
Finding Peace on Earth in Outer Space (1985)
only appeared as:
- Variant Title: Blessed Be the Peacemakers (1985)
- The Jefferson Orbit (1985)
- Space Weapons (1985)
- Foreword(The Edge of Tomorrow) (1985)
- Letter (Locus #297) (1985)
- John Campbell and the Modern SF Idiom (1986)
- Living and Loving in Zero Gravity (1986)
- Letter (Locus #300) (1986)
- Introduction (Prometheans) (1986)
- Author's Foreword: Reality and Symbols (1987)
- MHD (1987)
- Remembrances (Dune) (1987)
- Moonbase Orientation Manual I: Transport and Manufacturing (1987)
- Moonbase Orientation Manual II: Research and Recreation (1987)
- For Mars, Vote No (1987)
- Introduction (The Forever War) (1988)
- Letter (Locus #327) (1988)
- Introduction: The Nebulas: Clouds Among the Stars? (1989)
- Editor's Appreciation of Flowers for Algernon (1989)
- Will Writing Survive? (1989)
- Over-Communicated (1989) with G. Harry Stine
- Response to "The New Generation Gap" (1989)
- Second Preface: The Nonmetallic Isaac or It's a Wonderful Life (1989)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Editor's Foreword (The Best of the Nebulas) Don't Merge This (1990)
- Science, Fiction and Faith (1990)
- Science in Science Fiction (1990)
- Foreword (Future Crime) (1990)
- Introduction (City of Darkness) (1990)
- Introduction (Brillo) (1990)
- Introduction (Vince's Dragon) (1990)
- Introduction (Out of Time) (1990)
- Introduction (Test in Orbit) (1990)
- Introduction (Stars, Won't You Hide Me?) (1990)
- Introduction (Diamond Sam) (1990)
- Introduction (Escape!) (1990)
- My Favorite Story (1990)
- What Works for Me - And What I Work for (1991)
- 2042: A Cautiously Pessimistic View (1991)
- President's Message (1992)
- By-Laws of SFWA Inc. (Ratified 1989, Amended 1991) (1992) with David A. Smith
- In Memoriam: Isaac Asimov (1920-1992) (Obit) (1992) with Arthur C. Clarke and L. Sprague de Camp and Catherine Crook de Camp and Frederik Pohl and Poul Anderson and Karen Anderson and Harlan Ellison and Robert Silverberg and Carl Sagan and Martin H. Greenberg and Connie Willis and Joel Davis and Norman Spinrad and Shawna McCarthy and Stanley Schmidt and Sheila Williams and Stanley Asimov and Isaac Asimov and Jane Yolen and Janet Asimov
- Foreword (Challenges) (1993)
- Why Science Fiction? (1993)
- By-Laws of Science Fiction and Fantasy Writers of America, Inc. (1994) with David A. Smith
- Author's Introduction (The Watchmen) (1994)
- The Voice of Authority (1997)
- Laser Weapons (1997)
- Spider Robinson: The SF Writer as Empath (1997)
- The Observatory: You Might Live Forever (1998)
- Introduction: The Art of Plain Speech (1998)
- Introduction (Lamps on the Brow) (1998)
- Introduction: Mostly About Keith Laumer (Dangerous Vegetables) (1998)
- Introduction: Aboard Torch Ship Hermes (1998)
- Afterword: Aboard Torch Ship Hermes (1998)
- Introduction (Moon Shots) (1999)
- Afterword (Return to Mars) (1999)
- The Observatory: The Once and Future Mars (2000)
- Slowboat to the Stars! (2000)
- Introduction: Hal Clement (Music of Many Spheres) (2000)
- Afterword (The Complete War of the Worlds) (2001)
- Introduction (In the Days of the Comet) (2001)
- Letter (Analog, November 2002) (2002)
- All of the Above (2003)
- Introduction (Tales of the Grand Tour) (2004)
- Introduction (Fantastic Imaginings: An Anthology of Discovery) (2004)
- Afterword: The Roads Ahead (Tales of the Grand Tour) (2004)
- Introduction (The Rock Rats) (2005)
- Hal Clement (2005)
- Short Fiction Round Table (2007) with Ellen Datlow and Bill Fawcett and Martin H. Greenberg
- Introduction (Nebula Awards Showcase 2008) (2008)
- Arthur C. Clarke: In Memoriam (1917-2008) (2008) with Gregory Benford and Stephen Baxter and Frederik Pohl and John Varley and Alan Dean Foster and Greg Bear and Paul Preuss and Will Ludwigsen and Mike Resnick and David Gerrold and Preston Grassman and Charles N. Brown
- The Science in Science Fiction (2008)
- Meteoroids, Meteors and Meteorites (2008)
- Where Is Everybody? (2008)
- Galactic Geobiology (2009)
- Buck Rogers Redux (2009)
- Human Immortality (2009)
- New Earths (2009)
- Interstellar Flight: The Possible (2009)
- Interview: James M. Beggs (1981) with James M. Beggs