Books about Human-alien encounters -- Fiction (sorted by popularity)
- The Vegans Were Curious Winston K. Marks 49 downloads
- Menace From Vega Randall Garrett and Robert Silverberg 49 downloads
- White spot Murray Leinster 49 downloads
- Earthmen Die Hard! Richard O. Lewis 49 downloads
- Green Grew the Lasses Ruth Laura Wainwright 49 downloads
- The Way Back Sam Moskowitz 49 downloads
- Mr. Meek Plays Polo Clifford D. Simak 48 downloads
- Definition Damon Knight 48 downloads
- The Terror Out of Space Dwight V. Swain 48 downloads
- The overlord's thumb Robert Silverberg 48 downloads
- The Barbarians Tom Godwin 48 downloads
- Manners and Customs of the Thrid Murray Leinster 48 downloads
- Corpus earthling Louis Charbonneau 48 downloads
- Riya's Foundling Algis Budrys 48 downloads
- What Inhabits Me? Robert Moore Williams 48 downloads
- Amour, Amour, Dear Planet! Mark Clutter 48 downloads
- Asteroid of the Damned Frederik Pohl and Dirk Wylie 48 downloads
- Restricted Tool Malcolm B. Morehart 48 downloads
- Collector's Item Evelyn E. Smith 48 downloads
- The eternal quest Joseph Gilbert 48 downloads
- The Sword Frank Quattrocchi 47 downloads
- Crisis! C. M. Kornbluth 47 downloads
- The Moon Maid Edgar Rice Burroughs 47 downloads
- The Venus Evil Chester S. Geier 47 downloads
- Blueblood Jim Harmon 47 downloads