Will Shortz Presents Black Diamond Sudoku: 200 Extreme Puzzles
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| Reviews | www.abebooks.com |
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| Published | February 3, 2015 |
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| ID | 4066488 |
About 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