http://book.klll.cc/ebooks/subject/4575.opds?sort_order=downloads&start_index=51 2025-08-14T21:32:13Z Books about Human-alien encounters -- Fiction (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 51 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/66447.opds The Aab Edward W. Ludwig 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/31664.opds Once a Greech Evelyn E. Smith 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/71883.opds The high ones Poul Anderson 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/51420.opds License to Steal Louis Newman 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/68304.opds The Catspaw George O. Smith 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/65177.opds Come Into My Brain! Robert Silverberg 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/66312.opds Earthmen Die Hard! Richard O. Lewis 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/62034.opds The Mercurian Frank Belknap Long 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/51408.opds Angel's Egg Edgar Pangborn 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/32850.opds The Tree of Life C. L. Moore 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/31583.opds The Venus Trap Evelyn E. Smith 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/62258.opds Meteor-Men of Mars Harry Cord and Otis Adelbert Kline 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/60059.opds The Lunarian Professor and His Remarkable Revelations Concerning the Earth, the Moon and Mars James B. Alexander 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/67497.opds The Fool David Mason 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/51267.opds End as a Hero Keith Laumer 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/73496.opds An eye for the ladies Stephen Marlowe 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/62985.opds Der rote Stern: Ein utopischer Roman (German) A. Bogdanov 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/51509.opds Doorstep Keith Laumer 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/73591.opds Biddy and the silver man Harlan Ellison 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/53034.opds The God-Plllnk Jerome Bixby 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/32055.opds The Hand Jerry Sohl 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/63936.opds Strange Exodus Robert Abernathy 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/51545.opds The Sweeper of Loray Robert Sheckley 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/61139.opds The Madman From Earth Keith Laumer 2025-08-14T21:32:13Z https://book.klll.cc/ebooks/62357.opds Message From Mars Clifford D. Simak