http://book.klll.cc/ebooks/subject/29023.opds 2025-08-04T03:35:15Z Books about Scientific recreations -- Handbooks, manuals, etc. (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 2025-08-04T03:35:15Z https://book.klll.cc/ebooks/50100.opds How to Do Chemical Tricks active 1894-1902 A. Anderson