http://www.gutenberg.org/ebooks/author/42832.opds 2025-01-09T16:53:49Z Books by Doughty, Frank W. (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 2025-01-09T16:53:49Z https://sendtokindle.compellingsciencefiction.com/ebooks/44604.opds How to Become an Engineer Frank W. Doughty