http://book.klll.cc/ebooks/subject/4575.opds?sort_order=downloads&start_index=101 2025-08-17T23:24:22Z 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 25 101 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/62357.opds Message From Mars Clifford D. Simak 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/73936.opds The price of eggs Randall Garrett 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/51129.opds A Gift from Earth Manly Banister 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/69393.opds Spacemen lost George O. Smith 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/29504.opds What's He Doing in There? Fritz Leiber 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/63668.opds Steel Giants of Chaos James R. Adams 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/64230.opds The Venus Evil Chester S. Geier 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/73750.opds The prince of space Jack Williamson 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/60726.opds Summer Guests James H. Schmitz 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/32485.opds The Giants From Outer Space Robert W. Krepps 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/62037.opds Child of the Sun Leigh Brackett 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/73682.opds Cosmic striptease Harlan Ellison 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/59447.opds The Barbarians Tom Godwin 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/74095.opds The life watch Lester Del Rey 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/65845.opds Les Xipéhuz (French) aîné J.-H. Rosny and jeune J.-H. Rosny 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/51623.opds Always a Qurono Jim Harmon 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/61081.opds Cinderella Story Allen Kim Lang 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/31788.opds The Double Spy Dan T. Moore 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/60653.opds Car Pool Rosel George Brown 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/63930.opds The Crowded Colony Jerome Bixby 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/26536.opds The Good Neighbors Edgar Pangborn 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/66463.opds Don't Panic! Robert W. Krepps 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/51273.opds Advance Agent Christopher Anvil 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/63843.opds The Madcap Metalloids Verne Athanas 2025-08-17T23:24:22Z https://book.klll.cc/ebooks/24395.opds The Winds of Time James H. Schmitz