Books about Extraterrestrial beings -- Fiction (sorted by popularity)
- Founding Father Jesse F. Bone 72 downloads
- Today is Forever Roger D. Aycock 71 downloads
- And Then the Town Took Off Richard Wilson 71 downloads
- Open Invitation H. B. Fyfe 71 downloads
- Prelude to Space Robert W. Haseltine 71 downloads
- Half past Alligator Donald Colvin 71 downloads
- The Sword Frank Quattrocchi 70 downloads
- The Weather on Mercury Joseph Samachson 70 downloads
- Le peuple du Pôle (French) Charles Derennes 70 downloads
- Green Grew the Lasses Ruth Laura Wainwright 70 downloads
- Not Fit for Children Evelyn E. Smith 69 downloads
- Peace Norman Arkawy and Stanley Henig 68 downloads
- The Klygha H. B. Fyfe 68 downloads
- The Time of Cold Mary Carlson 67 downloads
- The Onslaught from Rigel Fletcher Pratt 67 downloads
- The Victory of Klon Wilbur S. Peacock 66 downloads
- Rough Beast Roger D. Aycock 65 downloads
- Break a Leg Jim Harmon 65 downloads
- Beach Scene Marshall King 64 downloads
- The Toy Kris Neville 64 downloads
- Alien Minds E. Everett Evans 62 downloads
- Blueblood Jim Harmon 62 downloads
- Is That You Xeluchli? Dick Hetschel 62 downloads
- The Pure Observers B. J. Rogers 62 downloads
- The Measure of a Man Randall Garrett 62 downloads