This second book in the series 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 Difficult Sudoku
-Will Shortz Presents Dangerous Sudoku

Binding Type: Paperback
Publisher: St. Martin's Griffin
Published: 07/19/2011
ISBN: 9780312640293
Pages: 320
Weight: 0.51lbs
Size: 7.14h x 5.10w x 0.88d