Books about Extraterrestrial beings -- Fiction (sorted by popularity)
- Citadel of the Star Lords Edmond Hamilton 75 downloads
- Growing up on Big Muddy Charles V. De Vet 71 downloads
- Indirection Everett B. Cole 65 downloads
- Operation Terror Murray Leinster 62 downloads
- Fifteen Hundred Miles an Hour Charles Dixon 61 downloads
- The Course of Logic Lester Del Rey 61 downloads
- Exploiter's End James Causey 59 downloads
- Alien Minds E. Everett Evans 59 downloads
- The Customs Lounge Annie Proulx 57 downloads
- Second Landing F. L. Wallace 55 downloads
- Out Around Rigel Robert H. Wilson 55 downloads
- Trajectory to Taurus Les Cole 55 downloads
- A Transmutation of Muddles H. B. Fyfe 54 downloads
- The silent invaders Robert Silverberg 53 downloads
- The guest rites Robert Silverberg 53 downloads
- Birds of a Feather Robert Silverberg 53 downloads
- Meeting of the Minds Robert Sheckley 52 downloads
- A Bad Day for Vermin Keith Laumer 52 downloads
- Sweet Tooth Robert F. Young 50 downloads
- Rough Beast Roger D. Aycock 48 downloads
- Extracts from the Galactick Almanack: Music Around the Universe Laurence M. Janifer 46 downloads
- Specimen Charles V. De Vet 45 downloads
- The Almost-Men Irving E. Cox 45 downloads
- The Smiler Albert Hernhuter 44 downloads
- The green girl Jack Williamson 44 downloads