http://book.klll.cc/ebooks/author/58407.opds?sort_order=downloads 2025-11-15T11:20:32Z Books by Queen, Ellery Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T11:20:32Z https://en.wikipedia.org/wiki/Ellery_Queen See also: en.wikipedia 2025-11-15T11:20:32Z https://book.klll.cc/ebooks/76339.opds The Roman hat mystery : A problem in deduction Ellery Queen