There are dozens of sudoku puzzle books available, but this illustrated edition is specially designed for kids. Its 40 brand-new puzzles are geared toward players from the ages of 8 to 13, but anyone can enjoy them. All you have to do is fill in the squares with the digits 1 through 9 in such a way that each digit appears in each column, row, and large square only once. That's all there is to it No math skills are needed, just reasoning and logic...