http://book.klll.cc/ebooks/author/2274.opds?sort_order=release_date&start_index=51 2025-08-11T13:54:19Z Books by Castlemon, Harry (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 51 2025-08-11T13:54:19Z https://book.klll.cc/ebooks/12808.opds Frank on a Gun-Boat Harry Castlemon 2025-08-11T13:54:19Z https://book.klll.cc/ebooks/12405.opds Frank, the Young Naturalist Harry Castlemon