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Human-alien encounters -- Fiction

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• Human-alien encounters
• Unidentified flying objects -- Sightings and encounters -- Fiction
• Fiction

• Alien abduction -- Fiction
• Human-alien encounters -- Comic books, strips, etc. -- Fiction

• Fire With Fire (2013), by Charles E. Gannon (multiple formats with commentary at Baen Free library)
• The Crucible of Empire (included on a Baen CD image; c2010), by Eric Flint and K. D. Wentworth
  • zipped CD ISO at thefifthimperium.com; 347 MB
  • zipped CD files at thefifthimperium.com; 347 MB
• Yellow Eyes (included on the Claws That Catch Baen CD image; c2007), by John Ringo and Tom Kratman
  • zipped CD ISO at thefifthimperium.com; 285 MB
  • zipped CD files at thefifthimperium.com; 286 MB
• Manxome Foe (included on the Claws That Catch Baen CD image; c2008), by John Ringo and Travis S. Taylor
  • zipped CD ISO at thefifthimperium.com; 285 MB
  • zipped CD files at thefifthimperium.com; 286 MB
• Slow Train to Arcturus (included on a Baen CD image; c2008), by Eric Flint and Dave Freer
  • zipped CD ISO at thefifthimperium.com; 347 MB
  • zipped CD files at thefifthimperium.com; 347 MB
• Sister Time (included on the Claws That Catch Baen CD image; c2007), by John Ringo and Julie Cochrane
  • zipped CD ISO at thefifthimperium.com; 285 MB
  • zipped CD files at thefifthimperium.com; 286 MB
• Ten from Infinity: A Science-Fiction Novel (written by Fairman using the Ivar Jorgensen shared pseudonym; Derby, CT: Monarch Books, 1963), by Ivar Jorgensen, contrib. by Paul W. Fairman, illust. by Ralph Brillhart (page images at HathiTrust; US access only)
• The Alien: A Gripping Novel of Discovery and Conquest in Interstellar Space (Galaxy novel #6; New York: World Editions, c1951), by Raymond F. Jones
  • Gutenberg text
  • multiple formats at archive.org
• Triplanetary (book version, c1948), by E. E. Smith (Gutenberg text and illustrated HTML)
• Agent to the Stars (2004), by John Scalzi (HTML with commentary at scalzi.com)
• The Ultimate Weapon (New York: Ace Books, c1936), by John W. Campbell, illust. by Gerald McConnell (Gutenberg text, illustrated HTML, and page images)
• Triplanetary (original magazine version, 1934), by E. E. Smith (Gutenberg text and illustrated HTML)
• Vorpal Blade (included on the Claws That Catch Baen CD image; c2007), by John Ringo and Travis S. Taylor
  • zipped CD ISO at thefifthimperium.com; 285 MB
  • zipped CD files at thefifthimperium.com; 286 MB
• East of the Sun, West of the Moon (included on the Unto the Breach Baen CD image; c2006), by John Ringo
  • zipped CD ISO at thefifthimperium.com; 190 MB
  • zipped CD files at thefifthimperium.com; 190 MB
• The Moon Maid (New York: Grosset and Dunlap, 1926), by Edgar Rice Burroughs, illust. by J. Allen St. John (Gutenberg text and illustrated HTML)
• The Moon Men (1926), by Edgar Rice Burroughs (illustrated HTML at Gutenberg Australia)
• Princess of Wands (included on the Unto the Breach Baen CD image; c2006), by John Ringo
  • zipped CD ISO at thefifthimperium.com; 190 MB
  • zipped CD files at thefifthimperium.com; 190 MB
• The Course of Empire, by Eric Flint and K. D. Wentworth (multiple formats at Baen Free Library)
• Earthweb, by Marc Stiegler (HTML at Baen Ebooks)
• The Germ Growers: An Australian Story of Adventure and Mystery (by Robert Potter writing in the names of two characters; Melbourne: Melville, Mullen and Slade; London: Hutchinson and Co., 1892), by Robert Potter
  • Gutenberg text and illustrated HTML
  • page images at HathiTrust
• Gust Front, by John Ringo
  • multiple formats at Baen Free Library
  • multiple formats at freedoors.org
• The Hero (included on the Ghost Baen CD image), by John Ringo and Michael Z. Williamson
  • zipped CD ISO at thefifthimperium.com; 162 MB
  • zipped CD files at thefifthimperium.com; 162 MB
• Into the Looking Glass (included on the Ghost Baen CD image), by John Ringo
  • zipped CD ISO at thefifthimperium.com; 162 MB
  • zipped CD files at thefifthimperium.com; 162 MB
• The Moon Maid (New York: Ace Books, c1923), by Edgar Rice Burroughs (page images at HathiTrust)
• A Plague of Demons, and Other Stories (included on a Baen CD image), by Keith Laumer, ed. by Eric Flint
  • zipped CD ISO at thefifthimperium.com; 420 MB
  • zipped CD files at thefifthimperium.com; 422 MB
• Pyramid Scheme, by Dave Freer and Eric Flint (multiple formats at freedoors.org)
• This Blue Ball: A Weblog Novel, by Wayne V. Miller (multiple formats with commentary at thisblueball.com)
• Watch on the Rhine (included on the Ghost Baen CD image), by John Ringo and Tom Kratman
  • zipped CD ISO at thefifthimperium.com; 162 MB
  • zipped CD files at thefifthimperium.com; 162 MB
• When the Devil Dances (included on the Ghost Baen CD image), by John Ringo
  • zipped CD ISO at thefifthimperium.com; 162 MB
  • zipped CD files at thefifthimperium.com; 162 MB
• Beyond Lies the Wub (as published in Planet Stories, July 1952), by Philip K. Dick, illust. by Herman B. Vestal (Gutenberg text and illustrated HTML)
• Star-Begotten (1937), by H. G. Wells (text in Australia; NO US ACCESS)
• Foreign Legions (included on a Baen CD image), contrib. by David Drake, David Weber, Mark L. Van Name, Eric Flint, and S. M. Stirling
  • zipped CD ISO at thefifthimperium.com; 438 MB
  • zipped CD files at thefifthimperium.com; 435 MB
• A Hymn Before Battle, by John Ringo (multiple formats at freedoors.org)
• The Inheritors, by Joseph Conrad and Ford Madox Ford (Gutenberg text)
• Planet of the Damned, by Harry Harrison (Gutenberg text)
• Auf Zwei Planeten: Roman in Zwei Büchern (2 books in 1 volume, in German; Leipzig: B. Elischer Nachfolger, 1913), by Kurd Lasswitz
  • multiple formats at archive.org
  • page images at HathiTrust; US access only
• The inheritors; an extravagant story (Doubleday, Page & co., 1923), by Joseph Conrad and Ford Madox Ford (page images at HathiTrust)
• The inheritors; an extravagant story (W. Heinemann, 1901), by Joseph Conrad and Ford Madox Ford (page images at HathiTrust)
• Marsspion (Buchverlag für Deutsche Haus, 1908), by Carl Grunert and Ernst Stern (page images at HathiTrust; US access only)
• The voice of the void, by John W. Campbell, illust. by Hans Waldemar Wessolowski (Gutenberg ebook)
• The price of eggs, by Randall Garrett, illust. by Leo Summers (Gutenberg ebook)
• Farewell message, by David Mason (Gutenberg ebook)
• The prince of space, by Jack Williamson, illust. by Leo Morey (Gutenberg ebook)
• Cosmic striptease, by Harlan Ellison (Gutenberg ebook)
• When the atoms failed, by John W. Campbell, illust. by Hans Waldemar Wessolowski (Gutenberg ebook)
• Space brat, by Henry Slesar, illust. by Virgil Finlay (Gutenberg ebook)
• Try to remember!, by Frank Herbert, illust. by Virgil Finlay (Gutenberg ebook)
• The passionate pitchman, by Stephen Marlowe, illust. by Alex Kotzky (Gutenberg ebook)
• Biddy and the silver man, by Harlan Ellison, illust. by Virgil Finlay (Gutenberg ebook)
• The mystery of Deneb IV, by Robert Silverberg, illust. by Llewellyn (Gutenberg ebook)
• An eye for the ladies, by Stephen Marlowe, illust. by Llewellyn (Gutenberg ebook)
• The untouchable adolescents, by Harlan Ellison, illust. by Kelly Freas (Gutenberg ebook)
• Woman's touch, by Evelyn E. Smith, illust. by Ed Emshwiller (Gutenberg ebook)
• 30-day wonder, by Richard Wilson, illust. by Richard M. Powers (Gutenberg ebook)
• A world to die for, by Sam Carson (Gutenberg ebook)
• Crisis!, by C. M. Kornbluth, illust. by Hannes Bok (Gutenberg ebook)
• Pogo Planet, by Donald A. Wollheim, illust. by Hannes Bok (Gutenberg ebook)
• The thought-feeders, by R. R. Winterbotham, illust. by Boris Dolgov (Gutenberg ebook)
• Rhythm rides the rocket, by Bob Olsen, illust. by Frank R. Paul (Gutenberg ebook)
• The invading asteroid, by Manly Wade Wellman (Gutenberg ebook)
• Weapon, by Jesse F. Bone, illust. by Bernklau (Gutenberg ebook)
• A time to die, by Harold Calin, illust. by Virgil Finlay (Gutenberg ebook)
• The vanguard of Venus, by Landell Bartlett, illust. by R. E. Lawlor (Gutenberg ebook)
• Reign of the telepuppets, by Daniel F. Galouye, illust. by Lloyd Birmingham (Gutenberg ebook)
• Trajectory to Taurus, by Les Cole, illust. by Virgil Finlay (Gutenberg ebook)
• Little men of space, by Frank Belknap Long (Gutenberg ebook)
• The small bears, by Gene L. Henderson (Gutenberg ebook)
• Quinquepedalian, by Piers Anthony, illust. by Virgil Finlay (Gutenberg ebook)
• The Klygha, by H. B. Fyfe, illust. by George Schelling (Gutenberg ebook)
• Boarding party, by Robert F. Young, illust. by Virgil Finlay (Gutenberg ebook)
• Left hand, right hand, by James H. Schmitz, illust. by George Schelling (Gutenberg ebook)
• Pattern, by Robert H. Rohrer, illust. by Dan Adkins (Gutenberg ebook)
• Boy meets dyevitza, by Robert F. Young, illust. by Lloyd Birmingham (Gutenberg ebook)
• Sunfire!, by Edmond Hamilton, illust. by Virgil Finlay (Gutenberg ebook)
• Travelogue, by Roger D. Aycock (Gutenberg ebook)
• The overlord's thumb, by Robert Silverberg, illust. by Bill Bowman (Gutenberg ebook)
• The way out, by Richard Rein Smith, illust. by Richard Kluga (Gutenberg ebook)
• The high ones, by Poul Anderson, illust. by Ed Emshwiller (Gutenberg ebook)
• The leaf, by Robert F. Young, illust. by Richard Kluga (Gutenberg ebook)
• Beyond our control, by Randall Garrett, illust. by Richard Kluga (Gutenberg ebook)
• Rockabye, Grady, by David Mason, illust. by Temple (Gutenberg ebook)
• The night of no moon, by H. B. Fyfe, illust. by Paul Orban (Gutenberg ebook)
• Woman from another planet, by Frank Belknap Long, illust. by Basil Gogos (Gutenberg ebook)
• Corpus earthling, by Louis Charbonneau (Gutenberg ebook)
• Needler, by Randall Garrett, illust. by Ed Emshwiller (Gutenberg ebook)
• The miniature menace, by Frank Belknap Long (Gutenberg ebook)
• Nobody saw the ship, by Murray Leinster, illust. by C. A. Murphy (Gutenberg ebook)
• The expendables, by A. E. Van Vogt, illust. by Virgil Finlay (Gutenberg ebook)
• Beast of prey, by Jay Williams, illust. by Kelly Freas (Gutenberg ebook)
• Hellflower, by George O. Smith, illust. by William Rose (Gutenberg ebook)
• Spacemen lost, by George O. Smith, illust. by Virgil Finlay (Gutenberg ebook)
• White spot, by Murray Leinster, illust. by Ed Emshwiller (Gutenberg ebook)
• Hop O' My Thumb, by Joseph Samachson (Gutenberg ebook)
• Grounded, by William Sambrot, illust. by Alex Schomburg (Gutenberg ebook)
• The eternal quest, by Joseph Gilbert, illust. by Lawrence Sterne Stevens (Gutenberg ebook)
• Remember me, Kama!, by Walter Kubilius, illust. by John Giunta (Gutenberg ebook)
• The hellflower, by George O. Smith, illust. by Virgil Finlay (Gutenberg ebook)
• Definition, by Damon Knight, illust. by E. Joseph Dreany (Gutenberg ebook)
• From outer space, by Robert Zacks, illust. by Alex Schomburg (Gutenberg ebook)
• And we sailed the mighty dark, by Frank Belknap Long, illust. by Virgil Finlay (Gutenberg ebook)
• Peacemaker, by Alan Edward Nourse, illust. by Alex Ebel (Gutenberg ebook)
• Come into my parlor, by Charles E. Fritch, illust. by Paul Orban (Gutenberg ebook)
• The Crystal Circe, by Henry Kuttner, illust. by John B. Musacchia (Gutenberg ebook)
• Proxy Planeteers, by Edmond Hamilton (Gutenberg ebook)
• To the sons of tomorrow, by Irving E. Cox, illust. by Tom Beecham (Gutenberg ebook)
• Home is the Spaceman, by George O. Smith, illust. by Kelly Freas (Gutenberg ebook)
• Firegod, by Algis Budrys (Gutenberg ebook)
• The guest rites, by Robert Silverberg, illust. by John Giunta (Gutenberg ebook)
• Planet of Sand, by Murray Leinster, illust. by Lawrence Sterne Stevens (Gutenberg ebook)
• Redevelopment, by George O. Smith, illust. by A. Williams (Gutenberg ebook)
• The Catspaw, by George O. Smith, illust. by Paul Orban (Gutenberg ebook)
• Thunder in the void, by Henry Kuttner, illust. by Alexander Leydenfrost (Gutenberg ebook)
• Vocation, by George O. Smith, illust. by A. Williams (Gutenberg ebook)
• Fine Feathers, by George O. Smith, illust. by Frank Kramer (Gutenberg ebook)
• Trouble on Titan, by Henry Kuttner, illust. by Leo Morey (Gutenberg ebook)
• The man who liked lions, by John Bernard Daley, illust. by Paul Orban (Gutenberg ebook)
• A Message From Our Sponsor, by Henry Slesar (Gutenberg ebook)
• Under the Skin, by Leslie Perri, illust. by Robert Engle (Gutenberg ebook)
• Round-Up Time, by Chester Cohen, illust. by John Giunta (Gutenberg ebook)
• The Fool, by David Mason (Gutenberg ebook)
• Kid Stuff, by Winston K. Marks (Gutenberg ebook)
• The Best of Fences, by Randall Garrett, illust. by Robert Engle (Gutenberg ebook)
• Battle for the Stars, by Edmond Hamilton (Gutenberg ebook)
• Secret of the Martians, by Paul W. Fairman (Gutenberg ebook)
• Traitor's Choice, by Paul W. Fairman, illust. by W. E. Terry (Gutenberg ebook)
• Gunnison's Bonanza, by Dick Purcell, illust. by Lloyd Rognan (Gutenberg ebook)
• Planet of Doom, by Stephen Marlowe, illust. by W. E. Terry (Gutenberg ebook)
• Meeting at the Summit, by Ivar Jorgensen (Gutenberg ebook)
• Not in the Script, by Arnold Marmor (Gutenberg ebook)
• Es Percipi, by Stephen Marlowe, illust. by W. E. Terry (Gutenberg ebook)
• Export Commodity, by Irving E. Cox, illust. by W. E. Terry (Gutenberg ebook)
• A Matter of Ethics, by R. R. Winterbotham, illust. by W. E. Terry (Gutenberg ebook)
• Cosmic Saboteur, by Frank M. Robinson, illust. by W. E. Terry (Gutenberg ebook)
• The Terror Out of Space, by Dwight V. Swain, illust. by W. E. Terry (Gutenberg ebook)
• You Don't Walk Alone, by Frank M. Robinson, illust. by W. E. Terry (Gutenberg ebook)
• Don't Panic!, by Robert W. Krepps, illust. by W. E. Terry (Gutenberg ebook)
• Stellar Vengeance, by Frank Freeman (Gutenberg ebook)
• The Vegans Were Curious, by Winston K. Marks, illust. by W. E. Terry (Gutenberg ebook)
• The Aab, by Edward W. Ludwig, illust. by W. E. Terry (Gutenberg ebook)
• The Frightful Ones, by Richard Maples (Gutenberg ebook)
• Fish Fry, by Arnold Marmor (Gutenberg ebook)
• Marty the Martian, by Arnold Marmor (Gutenberg ebook)
• Earthmen Die Hard!, by Richard O. Lewis, illust. by W. E. Terry (Gutenberg ebook)
• Peril of the Starmen, by Kris Neville, illust. by W. E. Terry (Gutenberg ebook)
• The Plagiarist From Rigel IV, by Evan Hunter, illust. by W. E. Terry (Gutenberg ebook)
• The Scandalized Martians, by Arnold Marmor (Gutenberg ebook)
• Ticket to the Stars, by Raymond E. Banks (Gutenberg ebook)
• A Zloor for Your Trouble!, by Mack Reynolds, illust. by W. E. Terry (Gutenberg ebook)
• Leave, Earthmen—Or Die!, by John Massie Davis, illust. by W. E. Terry (Gutenberg ebook)
• Earthmen Ask No Quarter!, by Fox B. Holden, illust. by W. E. Terry (Gutenberg ebook)
• No Sons Left to Die!, by Hal Annas (Gutenberg ebook)
• Lesson for Today, by Joel Nydahl (Gutenberg ebook)
• Milk Run, by Robert Donald Locke (Gutenberg ebook)
• Jabberwock, Beware!, by Richard A. Sternbach (Gutenberg ebook)
• Armageddon, 1970, by Robert W. Krepps, illust. by W. E. Terry (Gutenberg ebook)
• Children of the Chronotron, by S. J. Byrne (Gutenberg ebook)
• The Toy, by Kris Neville (Gutenberg ebook)
• The Cosmic Bluff, by Mack Reynolds, illust. by W. E. Terry (Gutenberg ebook)
• "Hey Ma, Where's Willie?", by I. M. Bukstein (Gutenberg ebook)
• Special Delivery, by Kris Neville, illust. by W. E. Terry (Gutenberg ebook)
• This World is Ours!, by Emil Petaja (Gutenberg ebook)
• Les Xipéhuz (in French), by J.-H. Rosny and J.-H. Rosny (Gutenberg ebook)
• The Stranger, by Gordon R. Dickson (Gutenberg ebook)
• Citadel of the Star Lords, by Edmond Hamilton (Gutenberg ebook)
• Return Engagement, by Margaret St. Clair, illust. by W. E. Terry (Gutenberg ebook)
• Lair of the Dragonbird, by Robert Silverberg (Gutenberg ebook)
• Slaughter on Dornell IV, by Randall Garrett and Robert Silverberg (Gutenberg ebook)
• The Sinister Invasion, by Edmond Hamilton, illust. by Lloyd Rognan (Gutenberg ebook)
• Beware, the Usurpers!, by Robert W. Krepps (Gutenberg ebook)
• I'll See You in My Dreams, by William Campbell Gault, illust. by W. E. Terry (Gutenberg ebook)
• The Friendly Killers, by S. M. Tenneshaw, illust. by D. Bruce Berry (Gutenberg ebook)
• Master Race, by Richard Ashby, illust. by Hannes Bok (Gutenberg ebook)
• Satellite of Death, by Randall Garrett, illust. by Becker (Gutenberg ebook)
• The Martians and the Coys, by Mack Reynolds, illust. by W. E. Terry (Gutenberg ebook)
• Never Trust a Thief!, by Robert Silverberg (Gutenberg ebook)
• Come Into My Brain!, by Robert Silverberg, illust. by Becker (Gutenberg ebook)
• Get Out of My Body!, by Tom W. Harris (Gutenberg ebook)
• Menace From Vega, by Randall Garrett and Robert Silverberg (Gutenberg ebook)
• Tourists to Terra, by Mack Reynolds, illust. by Robert Fuqua (Gutenberg ebook)
• Combatman, by John Massie Davis, illust. by W. E. Terry (Gutenberg ebook)
• Cosmic Tragedy, by Thomas S. Gardiner, illust. by James V. Taurasi (Gutenberg ebook)
• The Vibration Wasps, by Frank Belknap Long, illust. by John R. Forte (Gutenberg ebook)
• The Way Back, by Sam Moskowitz, illust. by John R. Forte (Gutenberg ebook)
• Lunar Station, by Harl Vincent, illust. by J. Kelly (Gutenberg ebook)
• Madmen of Mars, by Erik Fennel, illust. by Max Elkan (Gutenberg ebook)
• Citadel of the Green Death, by Robert Emmett McDowell, illust. by Al McWilliams (Gutenberg ebook)
• The Enormous Word, by William Oberfield, illust. by Al McWilliams (Gutenberg ebook)
• Ultimatum, by Roger D. Aycock (Gutenberg ebook)
• Who Goes There?, by Charles H. Davis (Gutenberg ebook)
• Goma's Follicles, by John De Courcy and Dorothy De Courcy (Gutenberg ebook)
• Oh Mesmerist From Mimas!, by Roger D. Aycock (Gutenberg ebook)
• Cargo to Callisto, by Jerome Bixby, illust. by Earl Mayan (Gutenberg ebook)
• Sidewinders From Sirius, by Fox B. Holden (Gutenberg ebook)
• The Star Beast, by Damon Knight, illust. by Herman B. Vestal (Gutenberg ebook)
• What Inhabits Me?, by Robert Moore Williams, illust. by Ed Emshwiller (Gutenberg ebook)
• The Third Little Green Man, by Damon Knight, illust. by Al McWilliams (Gutenberg ebook)
• Day of Wrath, by Bjarne Kirchhoff (Gutenberg ebook)
• Amour, Amour, Dear Planet!, by Mark Clutter, illust. by Kelly Freas (Gutenberg ebook)
• Mind Worms, by Moses Schere, illust. by Al McWilliams (Gutenberg ebook)
• Con-Fen, by James R. Adams, illust. by Ed Emshwiller (Gutenberg ebook)
• The Little Pets of Arkkhan, by Bill Garson, illust. by Herman B. Vestal (Gutenberg ebook)
• Spoilers of the Spaceways, by W. Bradford Martin (Gutenberg ebook)
• Mo-Sanshon!, by Bryce Walton, illust. by S (Gutenberg ebook)
• Task of Kayin, by Joseph Samachson, illust. by E. Joseph Dreany (Gutenberg ebook)
• Bunzo Farewell, by Charles V. De Vet, illust. by Ed Emshwiller (Gutenberg ebook)
• Girl of the Silver Sphere, by J. Harvey Haggard, illust. by Hardison (Gutenberg ebook)
• Zero Hour, by Ray Bradbury, illust. by Max Elkan (Gutenberg ebook)
• Miss Tweedham's Elogarsn, by Robert Moore Williams, illust. by Kelly Freas (Gutenberg ebook)
• The Venus Evil, by Chester S. Geier (Gutenberg ebook)
• Atavism, by Erik Fennel (Gutenberg ebook)
• Open Invitation, by H. B. Fyfe, illust. by Raymond F. Houlihan (Gutenberg ebook)
• The Bryd, by Noel M. Loomis, illust. by Herman B. Vestal (Gutenberg ebook)
• The Ambassadors From Venus, by Kendell Foster Crossen, illust. by Herman B. Vestal (Gutenberg ebook)
• Is That You Xeluchli?, by Dick Hetschel (Gutenberg ebook)
• It, by Hayden Howard (Gutenberg ebook)
• The Dancers, by Margaret St. Clair (Gutenberg ebook)
• Lord of a Thousand Suns, by Poul Anderson, illust. by Herman B. Vestal (Gutenberg ebook)
• The Last Laugh, by Bryce Walton, illust. by Herman B. Vestal (Gutenberg ebook)
• The Conquistadors Come, by Mary Elizabeth Counselman, illust. by Hank Kass (Gutenberg ebook)
• The Watchers, by Roger D. Aycock (Gutenberg ebook)
• As It Was, by Paul L. Payne (Gutenberg ebook)
• Tiger by the Tail, by Poul Anderson, illust. by Herman B. Vestal (Gutenberg ebook)
• Strange Exodus, by Robert Abernathy, illust. by Al McWilliams (Gutenberg ebook)
• The Crowded Colony, by Jerome Bixby, illust. by Earl Mayan (Gutenberg ebook)
• Action on Azura, by Robertson Osborne, illust. by H. R. Van Dongen (Gutenberg ebook)
• A Planet Named Joe, by Evan Hunter (Gutenberg ebook)
• The Little Monsters Come, by Ray Cummings, illust. by Al McWilliams (Gutenberg ebook)
• The Madcap Metalloids, by Verne Athanas (Gutenberg ebook)
• The Burnt Planet, by William J. Brittain, illust. by H. W. Kiemle (Gutenberg ebook)
• Fog of the Forgotten, by Basil Wells, illust. by Alexander Leydenfrost (Gutenberg ebook)
• The Great Green Blight, by Robert Emmett McDowell, illust. by C. A. Murphy (Gutenberg ebook)
• The Purple Pariah, by Byron Tustin, illust. by Kelly Freas (Gutenberg ebook)
• Savage Galahad, by Bryce Walton, illust. by H. W. Kiemle (Gutenberg ebook)
• The Brain Sinner, by Alan Edward Nourse (Gutenberg ebook)
• The Galactic Ghost, by Mack Reynolds, illust. by Lawrence Woromay (Gutenberg ebook)
• The Time-Techs of Kra, by Max C. Sheridan, illust. by Kelly Freas (Gutenberg ebook)
• The Vanisher, by Michael Shaara (Gutenberg ebook)
• Prodigal Weapon, by Bill Garson, illust. by C. A. Murphy (Gutenberg ebook)
• Steel Giants of Chaos, by James R. Adams, illust. by Hollingsworth (Gutenberg ebook)
• The Grave of Solon Regh, by Charles A. Stearns, illust. by Joseph Eberle (Gutenberg ebook)
• Crisis on Titan, by James R. Adams, illust. by Petrizzo (Gutenberg ebook)
• The Last Monster, by Gardner F. Fox, illust. by Graham Ingels (Gutenberg ebook)
• Jupiter's Joke, by A. L. Haley, illust. by Kelly Freas (Gutenberg ebook)
• The Ultimate Eve, by H. Sanford Effron (Gutenberg ebook)
• Coming of the Gods, by Chester Whitehorn (Gutenberg ebook)
• Vandals of the Void, by Robert Wilson, illust. by Joseph Doolin (Gutenberg ebook)
• The Vanishing Venusians, by Leigh Brackett (Gutenberg ebook)
• Joe Carson's Weapon, by James R. Adams (Gutenberg ebook)
• Invader From Infinity, by George A. Whittington (Gutenberg ebook)
• Mr. Meek Plays Polo, by Clifford D. Simak, illust. by Graham Ingels (Gutenberg ebook)
• Men Without a World, by Joseph Farrell, illust. by H. W. Kiemle (Gutenberg ebook)
• Terror Out of Space, by Leigh Brackett, illust. by Ronald Clyne (Gutenberg ebook)
• Der rote Stern: Ein utopischer Roman (in German), by A. Bogdanov, trans. by Hermynia Zur Mühlen (Gutenberg ebook)
• The Avenger, by Damon Knight, illust. by Graham Ingels (Gutenberg ebook)
• Destination—Death, by Wilbur S. Peacock (Gutenberg ebook)
• Juggernaut of Space, by Ray Cummings, illust. by Graham Ingels (Gutenberg ebook)
• Message From Mars, by Clifford D. Simak, illust. by Joseph Doolin (Gutenberg ebook)
• The Blue Behemoth, by Leigh Brackett, illust. by Robert J. Leydenfrost (Gutenberg ebook)
• Menace of the Mists, by H. L. Gold, illust. by Joseph Doolin (Gutenberg ebook)
• The Sword of Johnny Damokles, by Hugh Frazier Parker, illust. by Joseph Doolin (Gutenberg ebook)
• The Flame Breathers, by Ray Cummings, illust. by Frank R. Paul (Gutenberg ebook)
• The Man From Siykul, by Richard Wilson, illust. by Robert A. Graef (Gutenberg ebook)
• Planet of No-Return, by Wilbur S. Peacock, illust. by Matt Fox (Gutenberg ebook)
• Trouble on Tycho, by Nelson S. Bond, illust. by Walker (Gutenberg ebook)
• Meteor-Men of Mars, by Harry Cord and Otis Adelbert Kline, illust. by Alexander Leydenfrost (Gutenberg ebook)
• Star of Panadur, by Albert dePina and Henry Hasse, illust. by Bob Lubbers (Gutenberg ebook)
• Outpost on Io, by Leigh Brackett, illust. by Frank R. Paul (Gutenberg ebook)
• Colossus of Chaos, by Nelson S. Bond, illust. by Frank R. Paul (Gutenberg ebook)
• Peril of the Blue World, by Robert Abernathy, illust. by Robert A. Graef (Gutenberg ebook)
• City of the Living Flame, by Henry Hasse, illust. by Leo Morey (Gutenberg ebook)
• Prison Planet, by Wilson Tucker, illust. by Damon Knight (Gutenberg ebook)
• The Thought-Men of Mercury, by R. R. Winterbotham, illust. by Don Lynch (Gutenberg ebook)
• Quest of Thig, by Basil Wells (Gutenberg ebook)
• Asteroid of the Damned, by Dirk Wylie and Frederik Pohl (Gutenberg ebook)
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