St. Martin's Griffin Press SKU: 52625

$16.00

For those who are serious sudoku addicts comes a new collection that is both challenging and convenient to take wherever you go. This volume of 300 devilishly difficult sudoku grids is the perfect recipe for hours of entertainment.

Features:
- 300 hard sudoku puzzles
- Big grids for easy solving
- Introduction by puzzlemaster Will Shortz

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