http://www.gutenberg.org/ebooks/subject/25003.opds 2024-11-10T08:18:37Z Books about Code and cipher stories (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 2024-11-10T08:18:37Z https://sendtokindle.compellingsciencefiction.com/ebooks/subject/25003.opds?sort_order=title Sort Alphabetically by Title 2024-11-10T08:18:37Z https://sendtokindle.compellingsciencefiction.com/ebooks/subject/25003.opds?sort_order=release_date Sort by Release Date 2024-11-10T08:18:37Z https://sendtokindle.compellingsciencefiction.com/ebooks/42455.opds The Mystery of the Sea Bram Stoker 2024-11-10T08:18:37Z https://sendtokindle.compellingsciencefiction.com/ebooks/69204.opds The white cipher Henry Leverage