http://book.klll.cc/ebooks/author/51903.opds?sort_order=release_date 2025-11-15T04:30:29Z Books by Walker, A. (Adam) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T04:30:29Z https://en.wikipedia.org/wiki/Adam_Walker_(inventor) See also: en.wikipedia 2025-11-15T04:30:29Z https://book.klll.cc/ebooks/62362.opds An epitome of astronomy, with the new discoveries William Walker