Books about Human-alien encounters -- Fiction (sorted by popularity)
- Harwood's Vortex Robert Silverberg 62 downloads
- The Galactic Ghost Mack Reynolds 62 downloads
- Survival Type Jesse F. Bone 62 downloads
- A Message From Our Sponsor Henry Slesar 61 downloads
- Come into my parlor Charles E. Fritch 61 downloads
- The Venus Evil Chester S. Geier 61 downloads
- Travelogue Roger D. Aycock 61 downloads
- I'll See You in My Dreams William Campbell Gault 61 downloads
- The Dancers Margaret St. Clair 61 downloads
- The Best of Fences Randall Garrett 61 downloads
- Destination—Death Wilbur S. Peacock 61 downloads
- The Lights on Precipice Peak Stephen Tall 61 downloads
- Round-Up Time Chester Cohen 60 downloads
- Peril of the Blue World Robert Abernathy 60 downloads
- Task of Kayin Joseph Samachson 60 downloads
- Milk Run Robert Donald Locke 60 downloads
- Grounded William Sambrot 60 downloads
- Planet of Doom Stephen Marlowe 60 downloads
- Leave, Earthmen—Or Die! John Massie Davis 59 downloads
- Thunder in the void Henry Kuttner 59 downloads
- Riya's Foundling Algis Budrys 59 downloads
- Beware, the Usurpers! Robert W. Krepps 59 downloads
- It Hayden Howard 59 downloads
- The Flame Breathers Ray Cummings 59 downloads
- The Man From Siykul Richard Wilson 59 downloads