- The Man Who Hated MarsAuthor: Randall GarrettLanguage: English
- The Man Who Rocked the EarthAuthor: Arthur Cheney Train, Robert Williams WoodLanguage: English
- The man with the broken earAuthor: Edmond About, Henry HoltLanguage: English
- The MantoothAuthor: Leadem, ChristopherLanguage: English
- The Master of the WorldAuthor: Jules VerneLanguage: English
- The Measure of a ManAuthor: Randall GarrettLanguage: English
- The MercenariesAuthor: H. Beam PiperLanguage: English
- The Metal MonsterAuthor: Abraham MerrittLanguage: English
- The Mightiest ManAuthor: Fahy, PatrickLanguage: English
- The Misplaced BattleshipAuthor: Harry Harrison, John SchoenherrLanguage: English
- The Mississippi SaucerAuthor: Frank Belknap Long, Jon ArfstromLanguage: English
- The Monster MenAuthor: Edgar Rice BurroughsLanguage: English
- The Moon Endureth: Tales and FanciesAuthor: John BuchanLanguage: English
- The Moon MetalAuthor: Garrett Putman ServissLanguage: English
- The Moon PoolAuthor: Abraham MerrittLanguage: English
- The Moon-VoyageAuthor: Jules VerneLanguage: English
- The Mysterious IslandAuthor: Jules Verne, Agnes Kinloch KingstonLanguage: English
- The Mysterious IslandAuthor: Jules Verne, Stephen W. (Stephen William) WhiteLanguage: English
- The MysteryAuthor: Stewart Edward White, Samuel Hopkins AdamsLanguage: English
- The Native SoilAuthor: Alan Edward NourseLanguage: English
- The Night LandAuthor: William Hope HodgsonLanguage: English
- The Penal ClusterAuthor: Randall GarrettLanguage: English
- The People That Time ForgotAuthor: Edgar Rice BurroughsLanguage: English
- The PerfectionistsAuthor: Castle, Arnold, Leo SummersLanguage: English
- The Pirates of ErsatzAuthor: Murray Leinster, Kelly FreasLanguage: English
- The Planet StrappersAuthor: Raymond Z. (Raymond Zinke) GallunLanguage: English
- The PlayersAuthor: Everett B. ColeLanguage: English
- The Point of ViewAuthor: Stanley G. (Stanley Grauman) WeinbaumLanguage: English
- The Poison BeltAuthor: Arthur Conan DoyleLanguage: English
- The PremiereAuthor: Sabia, RichardLanguage: English
- The Professional ApproachAuthor: Charles L. Harness, Theodore L. Thomas, John SchoenherrLanguage: English
- The Purple CloudAuthor: M. P. (Matthew Phipps) ShielLanguage: English
- The Radiant ShellAuthor: Paul ErnstLanguage: English
- The RepairmanAuthor: Harry HarrisonLanguage: English
- The ReturnAuthor: H. Beam Piper, John J. (John Joseph) McGuire, Kelly FreasLanguage: English
- The ReturnAuthor: H. Beam Piper, John J. (John Joseph) McGuireLanguage: English
- The Revolt on VenusAuthor: Rockwell, Carey, Willy Ley, Glanzman, Louis [Illustrator]Language: English
- The Revolutions of TimeAuthor: Dunn, JonathanLanguage: English
- The right to read =Author: Richard Stallman, Sarrazin, Pierre [Translator]Language: English
- The Runaway AsteroidAuthor: Cooper, Michael D.Language: English
- The Runaway SkyscraperAuthor: Murray LeinsterLanguage: English
- The Scarlet PlagueAuthor: Jack London, Gordon GrantLanguage: English
- The Second DelugeAuthor: Garrett Putman ServissLanguage: English
- The secret of the islandAuthor: Jules Verne, Agnes Kinloch KingstonLanguage: English
- The Secret PowerAuthor: Marie CorelliLanguage: English
- The Seed of the Toc-Toc BirdsAuthor: George Henry WeissLanguage: English
- The Servant ProblemAuthor: Robert F. YoungLanguage: English
- The short lifeAuthor: Donovan, Francis, Hubert RogersLanguage: English
- The Sign at SixAuthor: Stewart Edward WhiteLanguage: English
- The Sky TrapAuthor: Frank Belknap LongLanguage: English
- The Skylark of SpaceAuthor: E. E. (Edward Elmer) Smith, Lee Hawkins GarbyLanguage: English
- The Sleeper Awakes: A Revised Edition of When the Sleeper WakesAuthor: H. G. (Herbert George) WellsLanguage: English
- The Space PioneersAuthor: Rockwell, Carey, Willy Ley, Glanzman, Louis [Illustrator]Language: English
- The Stars, My BrothersAuthor: Edmond Hamilton, Virgil FinlayLanguage: English
- The Status CivilizationAuthor: Robert SheckleyLanguage: English
- The Stoker and the StarsAuthor: Algis Budrys, H. R. Van DongenLanguage: English
- The Story of Ab: A Tale of the Time of the Cave ManAuthor: Stanley WaterlooLanguage: English
- The strange case of Dr. Jekyll and Mr. HydeAuthor: Robert Louis StevensonLanguage: English
- The strange case of Dr. Jekyll and Mr. HydeAuthor: Robert Louis StevensonLanguage: English
- The Street That Wasn't ThereAuthor: Clifford D. Simak, Carl JacobiLanguage: English