Books about Human-alien encounters -- Fiction (sorted by popularity)
- The Invaders Murray Leinster 59 downloads
- Fog of the Forgotten Basil Wells 59 downloads
- Menace From Vega Randall Garrett and Robert Silverberg 59 downloads
- The Contact Point Jack Sharkey 59 downloads
- "Hey Ma, Where's Willie?" I. M. Bukstein 59 downloads
- Rough Beast Roger D. Aycock 59 downloads
- What Inhabits Me? Robert Moore Williams 59 downloads
- Once a Greech Evelyn E. Smith 59 downloads
- Sunfire! Edmond Hamilton 58 downloads
- Woman's touch Evelyn E. Smith 58 downloads
- Big Baby Jack Sharkey 58 downloads
- The Native Soil Alan Edward Nourse 58 downloads
- The Sentimentalists Murray Leinster 58 downloads
- We're Civilized! Mark Clifton and Alex Apostolides 58 downloads
- The Sinister Invasion Edmond Hamilton 58 downloads
- The invading asteroid Manly Wade Wellman 58 downloads
- Vandals of the Void Robert Wilson 58 downloads
- The God-Plllnk Jerome Bixby 58 downloads
- Dumbwaiter James Stamers 57 downloads
- End as a Hero Keith Laumer 57 downloads
- Contamination Crew Alan Edward Nourse 57 downloads
- Lesson for Today Joel Nydahl 57 downloads
- Star-Crossed Lover William W. Stuart 57 downloads
- A Zloor for Your Trouble! Mack Reynolds 57 downloads
- Blueblood Jim Harmon 57 downloads