Books in Science Fiction (sorted by popularity)
- The Game of Rat and Dragon Paul Myron Anthony Linebarger 474 downloads
- Flatland: A Romance of Many Dimensions Edwin Abbott Abbott 466 downloads
- All Around the Moon Jules Verne 448 downloads
- First Lensman E. E. Smith 436 downloads
- The Sleeper Awakes H. G. Wells 433 downloads
- Omnilingual H. Beam Piper 427 downloads
- $1,000 a Plate Jack McKenty 424 downloads
- The Variable Man Philip K. Dick 416 downloads
- Looking Backward, 2000 to 1887 Edward Bellamy 413 downloads
- Deathworld Harry Harrison 412 downloads
- The Skull Philip K. Dick 407 downloads
- Tales of Space and Time H. G. Wells 404 downloads
- A Journey into the Interior of the Earth Jules Verne 400 downloads
- Queen of the Black Coast Robert E. Howard 394 downloads
- In Search of the Unknown Robert W. Chambers 392 downloads
- Greener Than You Think Ward Moore 391 downloads
- Watchbird Robert Sheckley 390 downloads
- Vingt mille Lieues Sous Les Mers — Complete (French) Jules Verne 388 downloads
- A Martian Odyssey Stanley G. Weinbaum 387 downloads
- The Food of the Gods and How It Came to Earth H. G. Wells 371 downloads
- The Stolen Bacillus and Other Incidents H. G. Wells 370 downloads
- Beyond the Black River Robert E. Howard 367 downloads
- The Chessmen of Mars Edgar Rice Burroughs 362 downloads
- Writings in the United Amateur, 1915-1922 H. P. Lovecraft 346 downloads
- Blind Man's Lantern Allen Kim Lang 338 downloads