http://www.gutenberg.org/ebooks/subject/28477.opds 2024-11-14T03:15:17Z Books about Submarines (Ships) -- Models -- Juvenile literature (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 2024-11-14T03:15:17Z https://sendtokindle.compellingsciencefiction.com/ebooks/49873.opds The Boys' Book of Submarines A. Frederick Collins and Virgil D. Collins