Books about Extraterrestrial beings -- Fiction (sorted by popularity)
- Break a Leg Jim Harmon 53 downloads
- A Little Knowledge R. R. Winterbotham 52 downloads
- Star-Crossed Lover William W. Stuart 52 downloads
- The green girl Jack Williamson 52 downloads
- A trace of memory Keith Laumer 51 downloads
- Alien Offer Al Sevcik 51 downloads
- Savage Galahad Bryce Walton 51 downloads
- The Vegans Were Curious Winston K. Marks 50 downloads
- The Link Alan Edward Nourse 49 downloads
- Birds of a Feather Robert Silverberg 49 downloads
- End as a Hero Keith Laumer 49 downloads
- Rough Beast Roger D. Aycock 49 downloads
- Exploiter's End James Causey 48 downloads
- A City Near Centaurus William R. Doede 46 downloads
- Final Glory Henry Hasse 46 downloads
- The Last Monster Gardner F. Fox 45 downloads
- Circus Alan Edward Nourse 44 downloads
- Export Commodity Irving E. Cox 44 downloads
- Star of Rebirth Bernard Wall 43 downloads
- The Almost-Men Irving E. Cox 43 downloads
- Today is Forever Roger D. Aycock 42 downloads
- The Lonely Judith Merril 42 downloads
- Feet of Clay Robert Hoskins 42 downloads
- Community Property Alfred Coppel 41 downloads
- Alien Minds E. Everett Evans 41 downloads