Will Shortz Presents Keep Calm and Sudoku on: 200 Easy to Hard Puzzles

$12.99

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When the going gets tough, the tough solve sudoku! Don't miss this collection Keep Calm and Sudoku!

Features:
* 200 easy to easy to hard Sudoku puzzles
* Portable and perfect for solving on the go
* Edited by the #1 man in American crosswords, Will Shortz