Will Shortz Presents Trickier Sudoku

Can't get enough sudoku? Here's a challenging collection for more skilled sudoku solvers.Features: -200 hard sudoku puzzles-Perfect portable size-Edited by ledendary puzzlemaster Will Shortz This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0312588399
• Release Date: March 2011
• Publisher: St. Martin's Griffin
• Length: 320 Pages
• Weight: 0.55 lbs.
• Dimensions: 7.0" x 0.8" x 5.0"