http://book.klll.cc/ebooks/author/40.opds 2025-08-11T03:02:15Z Books by Kerr, Stan (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-11T03:02:15Z https://book.klll.cc/ebooks/52.opds The Square Root of 2 Stan Kerr