Books about Extraterrestrial beings -- Fiction (sorted by popularity)
- And Then the Town Took Off Richard Wilson 69 downloads
- The Weather on Mercury Joseph Samachson 68 downloads
- Quest's End Basil Wells 68 downloads
- Export Commodity Irving E. Cox 67 downloads
- Le peuple du Pôle (French) Charles Derennes 67 downloads
- Break a Leg Jim Harmon 67 downloads
- Exploiter's End James Causey 67 downloads
- The Course of Logic Lester Del Rey 67 downloads
- The Gift Bearer Charles L. Fontenay 66 downloads
- Not Fit for Children Evelyn E. Smith 66 downloads
- Rough Beast Roger D. Aycock 66 downloads
- The Victory of Klon Wilbur S. Peacock 66 downloads
- A Little Knowledge R. R. Winterbotham 65 downloads
- Planet of Creation Chester S. Geier 65 downloads
- The Lonely Judith Merril 64 downloads
- Prelude to Space Robert W. Haseltine 63 downloads
- Peace Norman Arkawy and Stanley Henig 62 downloads
- The Toy Kris Neville 61 downloads
- The Klygha H. B. Fyfe 60 downloads
- Unwelcomed Visitor Joseph Samachson 60 downloads
- Blueblood Jim Harmon 60 downloads
- The Measure of a Man Randall Garrett 59 downloads
- Is That You Xeluchli? Dick Hetschel 59 downloads
- Open Invitation H. B. Fyfe 59 downloads
- Green Grew the Lasses Ruth Laura Wainwright 56 downloads