Will Shortz Presents Mind-Melting Sudoku: 200 Cranium-Crushing Puzzles

Watch out These puzzles are mind melting But if you dare, grab a pen and take on these two hundred all-new extra challenging puzzles.

Features:
- 200 hard puzzles
- Big grids for easy solving
- Introduction by legendary puzzlemaster Will Shortz

• Format: Paperback
• Language: English
• ISBN: 1250063442
• ISBN13: 9781250063441
• Release Date: March 2015
• Publisher: St. Martin's Griffin
• Length: 320 Pages
• Weight: 0.50 lbs.
• Dimensions: 0.9" x 5.0" x 7.1"