Will Shortz Presents Killer Sudoku 200 Hard Puzzles
- ISBN 13:
- ISBN 10:
- Format: Paperback
- Copyright: 03/25/2014
- Publisher: St. Martin's Griffin
Note: Not guaranteed to come with supplemental materials (access cards, study guides, lab manuals, CDs, etc.)
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Watch out! These puzzles are killer! But if you dare, grab a pen and take on these two hundred all-new extra-challenging Sudoku puzzles.
200 hard puzzles
Big grids for easy solving
Introduction by legendary puzzlemaster Will Shortz