Books about Life on other planets -- Fiction (sorted by popularity)
- Med Ship Man Murray Leinster 97 downloads
- The War of the Worlds H. G. Wells 96 downloads
- An Earthman on Venus (Originally titled "The Radio Man") Ralph Milne Farley 90 downloads
- Pariah Planet Murray Leinster 86 downloads
- The Gods of Mars Edgar Rice Burroughs 86 downloads
- The Planet Savers Marion Zimmer Bradley 85 downloads
- The untouchable adolescents Harlan Ellison 85 downloads
- This World Is Taboo Murray Leinster 83 downloads
- The Madman From Earth Keith Laumer 81 downloads
- Gambler's World Keith Laumer 81 downloads
- The planet of shame Bruce Elliott 79 downloads
- The price of eggs Randall Garrett 76 downloads
- World of the Mad Poul Anderson 76 downloads
- The Wind People Marion Zimmer Bradley 73 downloads
- Arcturus Times Three Jack Sharkey 71 downloads
- Tiger by the Tail Poul Anderson 70 downloads
- The Green World Hal Clement 69 downloads
- Retief of the Red-Tape Mountain Keith Laumer 69 downloads
- Phantom Out of Time Nelson S. Bond 67 downloads
- The last space ship Murray Leinster 66 downloads
- Way of the gods Henry Kuttner 66 downloads
- Aide Memoire Keith Laumer 65 downloads
- Citadel of Lost Ships Leigh Brackett 64 downloads
- Woman's touch Evelyn E. Smith 63 downloads
- A Pride of Islands C. C. MacApp 63 downloads