Will Shortz Presents Black Diamond Sudoku: 200 Extreme Puzzles

Will Shortz Presents Black Diamond Sudoku: 200 Extreme Puzzles
Format
Paperback
Publisher
St. Martin's Griffin
Country
United States
Published
3 February 2015
Pages
320
ISBN
9781250063427

Will Shortz Presents Black Diamond Sudoku: 200 Extreme Puzzles

Watch out! These puzzles are for the most extreme solvers! But if you dare, grab a pen and take on these two hundred all-new extra challenging puzzles in Will Shortz Presents Black Diamond Sudoku.

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

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