Books about Human-alien encounters -- Fiction (sorted by popularity)
- The guest rites Robert Silverberg 67 downloads
- Destination—Death Wilbur S. Peacock 67 downloads
- Come into my parlor Charles E. Fritch 67 downloads
- The Next Time We Die Robert Moore Williams 67 downloads
- City of the Living Flame Henry Hasse 67 downloads
- Break a Leg Jim Harmon 66 downloads
- The vanguard of Venus Landell Bartlett 66 downloads
- The Thought-Men of Mercury R. R. Winterbotham 66 downloads
- Unwelcomed Visitor Joseph Samachson 66 downloads
- A Matter of Taste Jr. L. J. Stecher 66 downloads
- Proktols of Neptune Henry Hasse 66 downloads
- Crisis on Titan James R. Adams 66 downloads
- Quest of Thig Basil Wells 66 downloads
- Prison Planet Wilson Tucker 66 downloads
- Tourists to Terra Mack Reynolds 65 downloads
- Star-Crossed Lover William W. Stuart 65 downloads
- The Way Back Sam Moskowitz 65 downloads
- Hop O' My Thumb Joseph Samachson 65 downloads
- The Unwilling Professor Arthur Porges 65 downloads
- Escape Mechanism Charles E. Fritch 65 downloads
- Planet of No-Return Wilbur S. Peacock 65 downloads
- The leaf Robert F. Young 64 downloads
- Prelude to Space Robert W. Haseltine 64 downloads
- The Poors Harry Lorayne 64 downloads
- Travelogue Roger D. Aycock 64 downloads