http://www.gutenberg.org/ebooks/author/52468.opds 2024-11-06T05:50:27Z Books by Leydenfrost, Harry (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-06T05:50:27Z https://sendtokindle.compellingsciencefiction.com/ebooks/author/52468.opds?sort_order=title Sort Alphabetically by Title 2024-11-06T05:50:27Z https://sendtokindle.compellingsciencefiction.com/ebooks/author/52468.opds?sort_order=release_date Sort by Release Date 2024-11-06T05:50:27Z https://sendtokindle.compellingsciencefiction.com/ebooks/63697.opds Space-Lane of No-Return George A. Whittington 2024-11-06T05:50:27Z https://sendtokindle.compellingsciencefiction.com/ebooks/63715.opds Enter the Nebula Carl Jacobi