by None (Author)
If puzzles are your poison, you'll find this utterly addictive collection of FIENDISH su dokus is a killer...in the best possible way
Back Jacket
The OfficialUtterly AddictiveNumber-Placing Puzzle
This Fiendishly tough collection might just be a lethal dose of puzzles. More than just hours of entertainment, 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 master in no time!
Number of Pages: 240
Dimensions: 0.5 x 7.1 x 5 IN
Publication Date: August 23, 2011