What adds up to a lot of fun and is a test of how sharp you are at numbers? This enormous volume of math puzzles! There are mind bogglers of every type - from amazing, 'magic' number tricks to beautiful geometric designs - and plenty of them, too! Start with some puzzles that are fairly easy, then work you're way up and be really challenged. You'll be given tricks and hints along the way that'll make you look like a whiz! One thing you can count on - You'll be kept stimulated and entertained.