Will Shortz Presents Stay Sharp Sudoku: 200 Challenging Puzzles

Watch out These Sudoku puzzles are going to make you sweat. Includes: -200 very hard puzzles -Perfect portable size -Edited by Will Shortz

• Format: Paperback
• Language: English
• ISBN: 1250039215
• ISBN13: 9781250039217
• Release Date: October 2013
• Publisher: St. Martin's Griffin
• Length: 320 Pages
• Weight: 0.50 lbs.
• Dimensions: 0.9" x 5.1" x 7.2"