Will Shortz Presents the Dangerous Book of Sudoku: 100 Devilishly Difficult Puzzles

Are you up for the challenge? Put your sudoku-solving skills to the test with this collection of ferocious sudoku puzzles Features: - 100 challenging puzzles - Edited by legendary New York Times crossword editor Will Shortz - Big grids with lots of space for easy solving

• Format: Paperback
• Language: English
• ISBN: 0312541600
• ISBN13: 9780312541606
• Release Date: April 2009
• Publisher: St. Martin's Griffin
• Length: 128 Pages
• Weight: 1.00 lbs.
• Dimensions: 0.5" x 6.0" x 8.8"