Will Shortz Presents Keep Calm and Sudoku On: 200 Easy to Hard Puzzles [Paperback]

When the going gets tough, the tough solve 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

Will Shortzhas been the crossword puzzle editor ofThe New York Timessince 1993. Mr. Shortz founded both the American Crossword Puzzle Tournament, where he serves as director, and the World Puzzle Championship, where he is the captain of the U.S. team. He is the current Puzzlemaster for Weekend Edition Sunday on National Public Radio.

[Will Shortz] is the crossword king. Steve Kroft, 60 Minutes

The prince of crossword puzzlers. Greenwich Magazine

The Riddler's got nothing on Will Shortz. Time Out New York

Will Shortz is [the crossword book world's] John Grisham. Martin Arnold