Books about Human-alien encounters -- Fiction (sorted by popularity)
- Collector's Item Evelyn E. Smith 79 downloads
- Peace Norman Arkawy and Stanley Henig 79 downloads
- Beyond our control Randall Garrett 78 downloads
- The Catspaw George O. Smith 78 downloads
- The mystery of Deneb IV Robert Silverberg 78 downloads
- Backlash Winston K. Marks 77 downloads
- Cry from a Far Planet Tom Godwin 77 downloads
- Trouble on Titan Henry Kuttner 77 downloads
- End as a Hero Keith Laumer 77 downloads
- The Girls from Fieu Dayol Robert F. Young 77 downloads
- Cinderella Story Allen Kim Lang 77 downloads
- Sunfire! Edmond Hamilton 77 downloads
- A Guest of Ganymede C. C. MacApp 76 downloads
- Amateur in Chancery George O. Smith 76 downloads
- Woman's touch Evelyn E. Smith 76 downloads
- Goma's Follicles John De Courcy and Dorothy De Courcy 76 downloads
- Space brat Henry Slesar 76 downloads
- Revolt in the Ice Empire Ray Cummings 76 downloads
- The Last Victory Tom Godwin 76 downloads
- Child of the Sun Leigh Brackett 75 downloads
- "Hey Ma, Where's Willie?" I. M. Bukstein 75 downloads
- Operation Terror Murray Leinster 75 downloads
- Madmen of Mars Erik Fennel 75 downloads
- The Polite People of Pudibundia R. A. Lafferty 75 downloads
- The Good Seed Mack Reynolds 75 downloads