Will Shortz Presents the Dangerous Book of Sudoku: 100 Devilishly Difficult Puzzles

Are you up for the challenge? Put your sudoku-solving skills to the test with this collection of ferocious sudoku puzzles

Features:
- 100 challenging puzzles
- Edited by legendary New York Times crossword editor Will Shortz
- Big grids with lots of space for easy solving

Binding Type: Paperback
Publisher: St. Martins Press-3PL
Published: 04/14/2009
ISBN: 9780312541606
Pages: 128
Weight: 0.40lbs
Size: 8.80h x 6.00w x 0.50d