http://book.klll.cc/ebooks/author/32765.opds?sort_order=title 2025-08-14T16:41:38Z Books by Harper, Harry (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-14T16:41:38Z https://book.klll.cc/ebooks/author/32765.opds?sort_order=release_date Sort by Release Date 2025-08-14T16:41:38Z https://book.klll.cc/ebooks/author/32765.opds?sort_order=downloads Sort by Popularity 2025-08-14T16:41:38Z https://book.klll.cc/ebooks/45825.opds Aeroplane Claude Grahame-White and Harry Harper 2025-08-14T16:41:38Z https://book.klll.cc/ebooks/63597.opds Aeroplane in War Claude Grahame-White and Harry Harper 2025-08-14T16:41:38Z https://book.klll.cc/ebooks/27557.opds Learning to Fly: A Practical Manual for Beginners Claude Grahame-White and Harry Harper 2025-08-14T16:41:38Z https://book.klll.cc/ebooks/34062.opds Luftseilerens Skat (Norwegian) Claude Grahame-White and Harry Harper