Will Shortz Presents Mad for Sudoku: 200 Challenging Puzzles

Can't get enough sudoku? This book is for you It contains two hundred challenging to devilishly difficult sudoku puzzles in a portable trim.

Includes:
-200 hard puzzles
-Perfect portable size
-Edited by Will Shortz

• Format: Paperback
• Language: English
• ISBN: 1250015480
• ISBN13: 9781250015488
• Release Date: October 2012
• Publisher: St. Martin's Griffin
• Length: 320 Pages
• Weight: 0.50 lbs.
• Dimensions: 0.8" x 5.1" x 7.4"