<p>The puzzles, in general, are witty, entertaining, and, as promised, had surprising conclusions. The very bright undergraduates whom I asked to review the book really liked it; they had not seen these puzzles before and found the book a great collection of mathematical challenges, as I did.<br />—Joyce Fisher, <em>Mathematics Teacher</em>, August 2008</p><p>… the thwarted puzzler need never feel annoyed. Even when the reader has had success, Winkler's solutions will often elucidate unexpected perspectives and ideas. … Summing Up: Recommended. All levels.<br />—<em>CHOICE</em>, May 2008</p><p>This book is a collection of wonderful puzzles … It is not necessary to know advanced mathematics to appreciate this very good work and to solve the puzzles.<br />—<em>Mathematical Reviews</em>, April 2008</p><p>Winkler has a keen eye for a good mindbender: the solution should be pleasing, neither too easy nor too difficult to find, and invoke some generally useful mathematical idea. This collection offers both stimulation and enlightenment…<br />—The London Mathematical Society, February 2008</p><p>… I've been enjoying [the book] very much. So far my favorite puzzles are 'Rolling Pencil' and 'Winning at Wimbledon,' which I missed myself (slapping forehead), and which have fooled everyone else I've tried them on as well.<br />—Will Shortz, Puzzlemaster, NPR's <em>Weekend Edition Sunday</em>, September 2007</p><p>wonderful book presents, from diverse sources and with wit and humor, many interesting and challenging problems, both mathematical and otherwise. Like its predecessor, it is a must for the shelves of a problem connoisseur.<br />—Andy Liu, June 2007</p>