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
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
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