Books about Human-alien encounters -- Fiction (sorted by popularity)
- Founding Father Jesse F. Bone 84 downloads
- Harwood's Vortex Robert Silverberg 84 downloads
- Lunar Station Harl Vincent 84 downloads
- Gravy Train Daniel F. Galouye 84 downloads
- The Catspaw George O. Smith 83 downloads
- Never Trust a Thief! Robert Silverberg 83 downloads
- And we sailed the mighty dark Frank Belknap Long 83 downloads
- Sunfire! Edmond Hamilton 83 downloads
- Peacemaker Alan Edward Nourse 83 downloads
- Venus Enslaved Manly Wade Wellman 83 downloads
- Earth Alert! Kris Neville 83 downloads
- Green Grew the Lasses Ruth Laura Wainwright 83 downloads
- Outpost on Io Leigh Brackett 83 downloads
- The Great Green Blight Robert Emmett McDowell 82 downloads
- The Brain Sinner Alan Edward Nourse 82 downloads
- "Hey Ma, Where's Willie?" I. M. Bukstein 82 downloads
- A Gift from Earth Manly Banister 82 downloads
- Sweet Tooth Robert F. Young 82 downloads
- Amateur in Chancery George O. Smith 82 downloads
- The Conquistadors Come Mary Elizabeth Counselman 82 downloads
- Gods of Space Ray Cummings 82 downloads
- The Little Monsters Come Ray Cummings 82 downloads
- Beware, the Usurpers! Robert W. Krepps 81 downloads
- Return Engagement Margaret St. Clair 81 downloads
- Big Baby Jack Sharkey 81 downloads