Books about Extraterrestrial beings -- Fiction (sorted by popularity)
- Beside the golden door Henry Slesar 55 downloads
- Blueblood Jim Harmon 55 downloads
- A Little Knowledge R. R. Winterbotham 54 downloads
- The Star Mouse Fredric Brown 54 downloads
- A trace of memory Keith Laumer 54 downloads
- Boarding party Robert F. Young 54 downloads
- The Vegans Were Curious Winston K. Marks 53 downloads
- The Last Monster Gardner F. Fox 53 downloads
- Star-Crossed Lover William W. Stuart 52 downloads
- Success Story Earl Goodale 52 downloads
- End as a Hero Keith Laumer 52 downloads
- Operation Terror Murray Leinster 52 downloads
- The Weather on Mercury Joseph Samachson 52 downloads
- Break a Leg Jim Harmon 51 downloads
- Doorstep Keith Laumer 50 downloads
- The Lonely Judith Merril 50 downloads
- The Next Time We Die Robert Moore Williams 49 downloads
- Export Commodity Irving E. Cox 49 downloads
- To Save Earth Edward W. Ludwig 48 downloads
- Green Grew the Lasses Ruth Laura Wainwright 48 downloads
- Final Glory Henry Hasse 48 downloads
- Planet of Creation Chester S. Geier 48 downloads
- The Earthman Irving E. Cox 48 downloads
- The Sword Frank Quattrocchi 47 downloads
- The Gift Bearer Charles L. Fontenay 47 downloads