Enter if You Can: The Art of Puzzle Boxes (Lock Edition)

This fascinating book is an unparalleled resource that’s a must have for any fan of puzzle boxes. Written and compiled by Peter Hajek, a renowned collector and acclaimed designer of puzzles (who also happens to be a professor of psychology), Enter if You Can is packed with color photographs, little-known history, and insightful information that would be difficult, if not impossible, to find anywhere else. Plus, this special limited-edition of Enter if You Can is actually a puzzle in and of itself. You’ll have to spring the lock that’s holding the covers shut in order to open the pages and read the book!