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 prefer to solve chess and checkers conundrums. Join Alice in Puzzleland, play the ancient game of Nine Men Mars, and show off with a variety of coin tricks. Everything is beautifully illustrated with intricate drawings, game boards, and diagrams, and neophytes will appreciate the detailed instructions. Whether you're amusing yourself with word transformations or figuring out The Diabolical Cube, you won't be able to put this down!