http://book.klll.cc/ebooks/author/31178.opds?sort_order=release_date 2026-01-13T14:56:05Z Books by Sykes, Frederick Hugh, Sir Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2026-01-13T14:56:05Z https://en.wikipedia.org/wiki/Frederick_Sykes See also: en.wikipedia 2026-01-13T14:56:05Z https://book.klll.cc/ebooks/25244.opds Aviation in Peace and War Sir Frederick Hugh Sykes