Will Shortz Presents Dangerous Sudoku: 200 Hard Puzzles
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| Reviews | www.abebooks.com |
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| Published | April 16, 2013 |
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| ID | 4066486 |
About Will Shortz Presents Dangerous Sudoku: 200 Hard Puzzles
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 puzzlesBig grids for easy solvingIntroduction by New York Times crossword editor Will Shortz