Wicked Sudoku: 200 Hard Puzzles

Need a bit more spice in your sudoku?
Take on this collection of 200 devilishly difficult sudoku puzzles

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

• Format: Paperback
• Language: English
• ISBN: 1250003970
• ISBN13: 9781250003973
• Release Date: January 2012
• Publisher: St. Martin's Griffin
• Length: 320 Pages
• Weight: 0.50 lbs.
• Dimensions: 1.0" x 5.0" x 7.0"