Su Doku (in Japanese Su = number; Doku = single) has been the most popular puzzle in Japan for the past 15 years, and since its introduction in the West it has become something of a craze.

To become hooked on Su Doku you don’t need to be a mathematical genius or a whiz at solving logic problems. All you need is the ability to concentrate. You will quickly get the hang of it as well as the other Japanese style brain expanders included in this satisfying compilation. Full guidance on how to play the various puzzle types is provided, together with all solutions.

If you love puzzles that test your mental acuity, then this is certainly the book for you.