http://book.klll.cc/ebooks/bookshelf/68.opds?sort_order=downloads&start_index=76 2025-08-23T07:37:34Z Books in Science 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 76 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/42243.opds The Hour of the Dragon Robert E. Howard 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/20121.opds Lone Star Planet John J. McGuire and H. Beam Piper 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/27444.opds Starman's Quest Robert Silverberg 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/1353.opds Off on a Comet! a Journey through Planetary Space Jules Verne 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/83.opds From the Earth to the Moon; and, Round the Moon Jules Verne 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/456.opds The Door in the Wall, and Other Stories H. G. Wells 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/42182.opds The Hyborian Age Robert E. Howard 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/72.opds Thuvia, Maid of Mars Edgar Rice Burroughs 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/1059.opds The World Set Free H. G. Wells 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/624.opds Looking Backward, 2000 to 1887 Edward Bellamy 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/1153.opds The Chessmen of Mars Edgar Rice Burroughs 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/30637.opds Writings in the United Amateur, 1915-1922 H. P. Lovecraft 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/68.opds The warlord of Mars Edgar Rice Burroughs 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/30240.opds The Big Trip Up Yonder Kurt Vonnegut 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/1743.opds Twelve Stories and a Dream H. G. Wells 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/31469.opds The Shunned House H. P. Lovecraft 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/12163.opds The Sleeper Awakes H. G. Wells 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/31893.opds Astounding Stories, June, 1931 Various 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/31547.opds Youth Isaac Asimov 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/28554.opds Beyond Lies the Wub Philip K. Dick 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/41481.opds Astounding Stories of Super-Science January 1930 6289 downloads 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/33016.opds Astounding Stories, August, 1931 Various 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/3748.opds A Journey into the Interior of the Earth Jules Verne 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/23731.opds A Martian Odyssey Stanley G. Weinbaum 2025-08-23T07:37:34Z https://book.klll.cc/ebooks/10662.opds The Night Land William Hope Hodgson