Books about Human-alien encounters -- Fiction (sorted by popularity)
- Day of Wrath Bjarne Kirchhoff 30 downloads
- Con-Fen James R. Adams 30 downloads
- Bunzo Farewell Charles V. De Vet 29 downloads
- Fish Fry Arnold Marmor 29 downloads
- Not Snow Nor Rain Miriam Allen De Ford 29 downloads
- The Ultimate Eve H. Sanford Effron 29 downloads
- To the sons of tomorrow Irving E. Cox 28 downloads
- Marty the Martian Arnold Marmor 28 downloads
- Open Invitation H. B. Fyfe 28 downloads
- Rhythm rides the rocket Bob Olsen 28 downloads
- The man who liked lions John Bernard Daley 28 downloads
- The Faces Outside Bruce McAllister 27 downloads
- The Vanisher Michael Shaara 27 downloads
- No Sons Left to Die! Hal Annas 26 downloads
- The Pure Observers B. J. Rogers 26 downloads
- Jabberwock, Beware! Richard A. Sternbach 26 downloads
- The Thing of Venus Wilbur S. Peacock 25 downloads
- Proktols of Neptune Henry Hasse 25 downloads
- Jimsy and the Monsters Walter J. Sheldon 25 downloads
- The small bears Gene L. Henderson 25 downloads
- Not in the Script Arnold Marmor 24 downloads
- Threlkeld's Daughter James Bell 24 downloads
- Gunnison's Bonanza Dick Purcell 22 downloads
- Shock Troop Richard Bolton 19 downloads
- Spoilers of the Spaceways W. Bradford Martin 15 downloads