Books about Human-alien encounters -- Fiction (sorted by popularity)
- The Toy Kris Neville 59 downloads
- Quest of Thig Basil Wells 59 downloads
- Asteroid of the Damned Frederik Pohl and Dirk Wylie 59 downloads
- Break a Leg Jim Harmon 59 downloads
- Project Hi-Psi Frank Riley 59 downloads
- Tourists to Terra Mack Reynolds 59 downloads
- Prison Planet Wilson Tucker 58 downloads
- The Serpent River Don Wilcox 58 downloads
- Miss Tweedham's Elogarsn Robert Moore Williams 58 downloads
- Never Trust a Thief! Robert Silverberg 58 downloads
- Armageddon, 1970 Robert W. Krepps 58 downloads
- The Fool David Mason 58 downloads
- Hop O' My Thumb Joseph Samachson 58 downloads
- Beast of prey Jay Williams 58 downloads
- The Hand Jerry Sohl 58 downloads
- Growing up on Big Muddy Charles V. De Vet 58 downloads
- The Unprotected Species Melvin Sturgis 57 downloads
- The Thought-Men of Mercury R. R. Winterbotham 57 downloads
- Task Mission Fox B. Holden 56 downloads
- Men Without a World Joseph Farrell 56 downloads
- Ultimatum Roger D. Aycock 56 downloads
- The man who liked lions John Bernard Daley 56 downloads
- Satellite of Death Randall Garrett 56 downloads
- Uniform of a Man Dave Dryfoos 56 downloads
- Restricted Tool Malcolm B. Morehart 56 downloads