http://book.klll.cc/ebooks/subject/6840.opds 2025-08-04T03:34:56Z Books about Underwater exploration -- Juvenile fiction (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 2025-08-04T03:34:56Z https://book.klll.cc/ebooks/1362.opds Tom Swift and His Undersea Search; Or, the Treasure on the Floor of the Atlantic Victor Appleton