Product Description
by Sudokusolver Com (Manufactured by)
The official utterly addictive number-placing puzzle
Give your brain a workout with these all new Difficult-level puzzles. These entertaining puzzles offer more than just hours of fun--Su Doku engages your mind, improves your concentration, and helps you stay mentally fit. With 150 brand-new puzzles to complete, you'll become a Su Doku guru in no time
Number of Pages: 242
Dimensions: 0.5 x 7 x 4.9 IN
Illustrated: Yes
Publication Date: August 01, 2009
