http://book.klll.cc/ebooks/author/52205.opds?sort_order=downloads 2025-08-22T02:13:21Z Books by Hayward, Charles B. (Charles Brian) (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 2025-08-22T02:13:21Z https://book.klll.cc/ebooks/author/52205.opds?sort_order=title Sort Alphabetically by Title 2025-08-22T02:13:21Z https://book.klll.cc/ebooks/author/52205.opds?sort_order=release_date Sort by Release Date 2025-08-22T02:13:21Z https://book.klll.cc/ebooks/62973.opds Building and Flying an Aeroplane Charles B. Hayward 2025-08-22T02:13:21Z https://book.klll.cc/ebooks/63234.opds Dirigible Balloons Charles B. Hayward