http://book.klll.cc/ebooks/author/52468.opds 2025-08-05T19:57:19Z Books by Leydenfrost, Harry (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-05T19:57:19Z https://book.klll.cc/ebooks/author/52468.opds?sort_order=title Sort Alphabetically by Title 2025-08-05T19:57:19Z https://book.klll.cc/ebooks/author/52468.opds?sort_order=release_date Sort by Release Date 2025-08-05T19:57:19Z https://book.klll.cc/ebooks/63715.opds Enter the Nebula Carl Jacobi 2025-08-05T19:57:19Z https://book.klll.cc/ebooks/63697.opds Space-Lane of No-Return George A. Whittington