Books about Human-alien encounters -- Fiction (sorted by popularity)
- Message From Mars Clifford D. Simak 61 downloads
- The Girls from Fieu Dayol Robert F. Young 61 downloads
- The Margenes Miriam Allen De Ford 61 downloads
- The Plagiarist From Rigel IV Evan Hunter 61 downloads
- An Incident on Route 12 James H. Schmitz 61 downloads
- The Thing of Venus Wilbur S. Peacock 61 downloads
- To the sons of tomorrow Irving E. Cox 60 downloads
- Not in the Script Arnold Marmor 60 downloads
- Gravy Train Daniel F. Galouye 60 downloads
- The Dancers Margaret St. Clair 60 downloads
- The Time-Techs of Kra Max C. Sheridan 60 downloads
- The Crystal Circe Henry Kuttner 60 downloads
- Come into my parlor Charles E. Fritch 60 downloads
- Stellar Vengeance Frank Freeman 60 downloads
- Sidewinders From Sirius Fox B. Holden 59 downloads
- Citadel of the Green Death Robert Emmett McDowell 59 downloads
- Definition Damon Knight 59 downloads
- The Madcap Metalloids Verne Athanas 59 downloads
- Lesson for Today Joel Nydahl 59 downloads
- The Brain Sinner Alan Edward Nourse 59 downloads
- Con-Fen James R. Adams 59 downloads
- The Poors Harry Lorayne 59 downloads
- The Plotters Richard S. Shaver 59 downloads
- The Double Spy Dan T. Moore 59 downloads
- The Grave of Solon Regh Charles A. Stearns 58 downloads