http://book.klll.cc/ebooks/subject/28477.opds 2025-11-18T15:36:33Z Books about Submarines (Ships) -- Models -- Juvenile literature Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T15:36:33Z https://book.klll.cc/ebooks/49873.opds The Boys' Book of Submarines A. Frederick Collins and Virgil D. Collins