Sudoku: More than 200 Fun and Challenging Japanese Number PuzzlesJoin legions of fans from around the globe who are already hooked on SUDOKU! These popular logic puzzles from Japan are taking the world by storm! Sudoku looks like arithmetic but requires just logic. Each puzzle consists of a grid of nine rows by nine, split into nine boxes nine squares each. The aim is to fill in the grid so that the digits 1 through 9 appear once in every row, every column, and every box. While the rules are simple, the solution