Books in Science Fiction (sorted by popularity)
- Queen of the Black Coast Robert E. Howard 272 downloads
- Armageddon—2419 A.D. Philip Francis Nowlan 270 downloads
- A Journey into the Interior of the Earth Jules Verne 268 downloads
- De la terre à la lune: trajet direct en 97 heures 20 minutes (French) Jules Verne 268 downloads
- The Game of Rat and Dragon Paul Myron Anthony Linebarger 265 downloads
- I Was a Teen-Age Secret Weapon Richard Sabia 262 downloads
- The Chessmen of Mars Edgar Rice Burroughs 253 downloads
- The Poison Belt Arthur Conan Doyle 252 downloads
- Space Viking H. Beam Piper 252 downloads
- Astounding Stories of Super-Science January 1930 247 downloads
- In Search of the Unknown Robert W. Chambers 245 downloads
- Mr. Spaceship Philip K. Dick 243 downloads
- Curiosities of the Sky Garrett Putman Serviss 242 downloads
- The First Men in the Moon H. G. Wells 242 downloads
- Astounding Stories of Super-Science January 1931 Various 241 downloads
- Industrial Revolution Poul Anderson 240 downloads
- Ask a Foolish Question Robert Sheckley 239 downloads
- The Land That Time Forgot Edgar Rice Burroughs 238 downloads
- Skylark Three E. E. Smith 231 downloads
- ...After a Few Words... Randall Garrett 231 downloads
- First Lensman E. E. Smith 229 downloads
- The Fire People Ray Cummings 226 downloads
- The outlaw of Torn Edgar Rice Burroughs 225 downloads
- A Journey in Other Worlds: A Romance of the Future John Jacob Astor 224 downloads
- Shadows in Zamboula Robert E. Howard 224 downloads