Books about Human-alien encounters -- Fiction (sorted by popularity)
- Escape Mechanism Charles E. Fritch 80 downloads
- The Ignoble Savages Evelyn E. Smith 79 downloads
- The Vanishing Venusians Leigh Brackett 78 downloads
- Half past Alligator Donald Colvin 78 downloads
- 30-day wonder Richard Wilson 77 downloads
- An eye for the ladies Stephen Marlowe 76 downloads
- The Weirdest World R. A. Lafferty 76 downloads
- Biddy and the silver man Harlan Ellison 76 downloads
- The guest rites Robert Silverberg 75 downloads
- Student Body F. L. Wallace 75 downloads
- Learning Theory James V. McConnell 75 downloads
- The high ones Poul Anderson 74 downloads
- Strange Exodus Robert Abernathy 73 downloads
- Satisfaction Guaranteed Joy Leache 73 downloads
- Arcturus Times Three Jack Sharkey 72 downloads
- And Then the Town Took Off Richard Wilson 72 downloads
- "Shadrach" Nelson S. Bond 72 downloads
- What's He Doing in There? Fritz Leiber 71 downloads
- Der rote Stern: Ein utopischer Roman (German) A. Bogdanov 71 downloads
- Diplomatic Immunity Robert Sheckley 71 downloads
- The Vibration Wasps Frank Belknap Long 71 downloads
- Trouble on Titan Henry Kuttner 71 downloads
- Angel's Egg Edgar Pangborn 71 downloads
- The price of eggs Randall Garrett 71 downloads
- Come into my parlor Charles E. Fritch 71 downloads