Will Shortz Presents Dangerous Sudoku

By: Will Shortz

Only the bravest sudoku solvers should take on this collection of all-new deviously difficult puzzles. This is the perfect collection to put your solving skills to the test Features: 200 hard puzzles Big grids for easy solving Introduction by New York Times crossword editor Will Shortz

• Format: Paperback
• Language: English
• ISBN: 1250025273
• ISBN13: 9781250025272
• Release Date: April 2013
• Publisher: St. Martin's Griffin
• Length: 320 Pages
• Weight: 0.52 lbs.
• Dimensions: 0.8" x 5.3" x 6.9"