Welcome to The Penguin Sudoku Challenge: with 1 sudoku puzzle for every day of the year 2 challenge you in every way on 3 different levels - beginner, moderate and fist-clenchingly tricky. Perfect 4 sharpening your brain and honing your logic, sudoku will give you a 5 star brain (if they don't hit you for 6). In 7th heaven when you complete them, you'll 8 giving up on any of these - but those 9 by nines won't complete themselves... Good luck

Binding Type: Paperback
Publisher: Penguin Books
Published: 12/28/2010
ISBN: 9780140958355
Pages: 448
Weight: 0.72lbs
Size: 7.77h x 6.60w x 1.04d