Will Shortz Presents Black Diamond Sudoku

by Shortz, Will (Edt)

Format

Paperback $6.49
Condition Bargain Brand-new publisher overstock that may have a remainder mark and minor wear from handling. Bargain
$6.49

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About

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.

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

Additional Info