Watch out! These puzzles are going to make you sweat!Features:-200 very hard sudoku puzzles-Edited by puzzlemaster Will Shortz-Portable, affordable package
- ISBN10 0312565429
- ISBN13 9780312565428
- Publish Date 31 August 2010
- Publish Status Active
- Out of Print 16 October 2012
- Publish Country US
- Imprint Saint Martin's Griffin,U.S.
- Format Paperback (US Tall Rack)
- Pages 320
- Language English