Books about Human-alien encounters -- Fiction (sorted by release date)
- Vandals of the Void Robert Wilson Oct 21, 2020
- The Vanishing Venusians Leigh Brackett Oct 21, 2020
- Joe Carson's Weapon James R. Adams Oct 10, 2020
- Invader From Infinity George A. Whittington Sep 24, 2020
- Mr. Meek Plays Polo Clifford D. Simak Sep 5, 2020
- Men Without a World Joseph Farrell Sep 3, 2020
- Terror Out of Space Leigh Brackett Aug 27, 2020
- Der rote Stern: Ein utopischer Roman (German) A. Bogdanov Aug 20, 2020
- The Avenger Damon Knight Jul 11, 2020
- Destination—Death Wilbur S. Peacock Jun 21, 2020
- Juggernaut of Space Ray Cummings Jun 17, 2020
- Message From Mars Clifford D. Simak Jun 9, 2020
- The Blue Behemoth Leigh Brackett Jun 8, 2020
- The Flame Breathers Ray Cummings Jun 5, 2020
- Menace of the Mists H. L. Gold Jun 4, 2020
- The Sword of Johnny Damokles Hugh Frazier Parker Jun 4, 2020
- The Man From Siykul Richard Wilson May 28, 2020
- Planet of No-Return Wilbur S. Peacock May 28, 2020
- Trouble on Tycho Nelson S. Bond May 28, 2020
- Meteor-Men of Mars Harry Cord and Otis Adelbert Kline May 28, 2020
- Star of Panadur Henry Hasse and Albert dePina May 28, 2020
- Outpost on Io Leigh Brackett May 27, 2020
- Colossus of Chaos Nelson S. Bond May 27, 2020
- Peril of the Blue World Robert Abernathy May 26, 2020
- City of the Living Flame Henry Hasse May 24, 2020