Watch out! These Sudoku puzzles are going to make you sweat.
Includes:
-200 very hard puzzles
-Perfect portable size
-Edited by Will Shortz
- ISBN13 9781250039217
- Publish Date 29 October 2013
- Publish Status Active
- Out of Print 10 March 2015
- Publish Country US
- Imprint Saint Martin's Griffin,U.S.
- Format Paperback
- Pages 320
- Language English