Product Description It’s a festival of puzzles, a multitude of perplexing problems, and a gaggle of great games…not to mention riddles that would stump the Sphinx. Challenge your brain with a collection of 575 amazing teasers, tricks, and mind-expanding exercises. Fans of enigmas will find favorites that test their logic to the max-including brief, intriguing stories featuring that master of deduction, Sherlock Holmes. Math mavens can give numeric brainteasers a try. Or you might pre… More >>
