Sudoku is the biggest Puzzle craze in years. The puzzles themselves have been around for many years in the U.S. and elsewhere under many different names, but they really caught fire in Japan during the 1990s. They were dubbed "su doku," which is an abbreviated form of a Japanese expression meaning "single number." Now, people all over the world are discovering how enjoyable and addictive solving Sudoku puzzles can be. If you enjoy Sudoku you will love Super Sudoku! There are more symbols and greater challenges, more enjoyment for everyone. This book contains 262 Super Sudoku puzzles that will give everyone a good mental stretch.