http://book.klll.cc/ebooks/subject/7614.opds 2025-08-06T19:33:22Z Books about Mathematics -- Study and teaching -- England -- Cambridge (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 2025-08-06T19:33:22Z https://book.klll.cc/ebooks/26839.opds Mathematical Recreations and Essays W. W. Rouse Ball