http://book.klll.cc/ebooks/author/58551.opds?sort_order=release_date 2025-11-17T11:06:00Z Books by Gaddis, Vincent H. (Vincent Hayes) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-17T11:06:00Z https://en.wikipedia.org/wiki/Vincent_Gaddis See also: en.wikipedia 2025-11-17T11:06:00Z https://book.klll.cc/ebooks/76654.opds The new science of space speech Vincent H. Gaddis