http://book.klll.cc/ebooks/author/55293.opds 2025-11-15T20:11:14Z Books by King, John L. Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T20:11:14Z https://book.klll.cc/ebooks/69507.opds Color mixing guide John L. King