Complement your style while challenging your mind with this collection of 100 Hidato puzzle games. Hidato can be solved using 100 percent logic and requires no math or guesswork. The modern tactile design makes the book a stylish accessory that will go with anything and fit nicely into a purse or a pocket. The perfect gift for any female puzzler, Pocket Posh Hidato features an elastic band closure and hours of mind-sharpening fun.