Sudoku 3: 200 Puzzles: Hard to Extreme

Author/Contributor(s):	Chronicle Books
Publisher:	Chronicle Books
Date:	08/17/2011
Binding:	Spiral
Condition:	NEW

Perfect for sharpening concentration and reasoning skills, here are 200 all-new Sudoku puzzles that build in difficulty level from hard to very challenging. A musthave for every on-the-go Sudoku sleuth!