Jumbo Sudoku Challenge

by Michael Mepham

Following on the heels of Jumbo Sudoku Easy, Jumbo Sudoku Challenge includes 400 all-new puzzles to test sudoku enthusiasts. This collection contains some of the most difficult puzzles available and is sure to entice die-hard sudoku solvers. Jumbo Sudoku Challenge also includes Killer Sudokua different way to get your Sudoku fix - along with the regular puzzles ranging in levels from difficult to the absolute fiendish. Every puzzle is an oversized...

• Format: Paperback
• Language: English
• ISBN: 1933821019
• ISBN13: 9781933821016
• Release Date: October 2006
• Publisher: Time Home Entertainment
• Length: 306 Pages
• Weight: 0.85 lbs.
• Dimensions: 0.6" x 8.0" x 10.8"
• Age Range: 13 to 22 years
• Grade Range: Grade 8 to Postsecondary