http://www.gutenberg.org/ebooks/subject/8099.opds 2024-11-08T17:46:18Z Books about Airplanes -- Piloting (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-08T17:46:18Z https://sendtokindle.compellingsciencefiction.com/ebooks/27557.opds Learning to Fly: A Practical Manual for Beginners Claude Grahame-White and Harry Harper