Sudoku Book An Introduction With 101 Puzzles

Like all the best puzzlers, Sudoku is fiendishly simple. The game is composed of a 9 x 9 grid with a few preselected numbers entered. Players add numbers and the only rule is that each row and column must include each number from one to nine exactly once. True Sudoku puzzles -- like the ones presented in this book -- have only one correct answer. Meaning "single number" in Japanese, Sudoku puzzles help teach logic and math skills, while imparting greater patience. Not only that, but they're great for trips or long waits, and the book's handy 5" x 5" format makes it easy to take it anywhere. Complete with three skill levels and hints, "Sudoku is perfect for anyone who wants to start sharpening their logic while enjoying an addictive game.Griffiths-Jones, Sam is the author of 'Sudoku Book An Introduction With 101 Puzzles', published 2005 under ISBN 9781575289625 and ISBN 1575289628.