Books about Human-alien encounters -- Fiction (sorted by popularity)
- The Test Colony Winston K. Marks 76 downloads
- Big Baby Jack Sharkey 76 downloads
- The Barbarians Tom Godwin 76 downloads
- Half past Alligator Donald Colvin 75 downloads
- The Dancers Margaret St. Clair 75 downloads
- Manners and Customs of the Thrid Murray Leinster 75 downloads
- The Time of Cold Mary Carlson 75 downloads
- Quinquepedalian Piers Anthony 75 downloads
- License to Steal Louis Newman 75 downloads
- The Girls from Fieu Dayol Robert F. Young 75 downloads
- Cinderella Story Allen Kim Lang 75 downloads
- Angel's Egg Edgar Pangborn 75 downloads
- A Planet Named Joe Evan Hunter 75 downloads
- The Double Spy Dan T. Moore 74 downloads
- The Ignoble Savages Evelyn E. Smith 74 downloads
- A Message From Our Sponsor Henry Slesar 74 downloads
- Prelude to Space Robert W. Haseltine 74 downloads
- Prodigal Weapon Bill Garson 74 downloads
- The vanguard of Venus Landell Bartlett 74 downloads
- We're Civilized! Mark Clifton and Alex Apostolides 73 downloads
- Star of Panadur Henry Hasse and Albert dePina 73 downloads
- The Best of Fences Randall Garrett 73 downloads
- The Course of Logic Lester Del Rey 73 downloads
- Definition Damon Knight 73 downloads
- Out of Mind William W. Stuart 73 downloads