This book is for savvy sudoku solvers who are looking for puzzles that are harder than hard

Features:
- 200 fearsome puzzles
- Edited by legendary New York Times crossword editor Will Shortz
- Portable and affordable package

Also in the series:
-Will Shortz Presents Tough Sudoku
-Will Shortz Presents Terrifying Sudoku

Binding Type: Paperback
Publisher: St. Martin's Griffin
Published: 01/19/2010
ISBN: 9780312607890
Pages: 320
Weight: 0.47lbs
Size: 7.08h x 6.50w x 0.84d