Welcome to the world of Sudoku! This book contains 100 easy Sudoku puzzles for kids ages 4-8. Sudoku puzzles have the following simple rules: There is a set of nine 3x3 grids that need to be filled with digits in each Sudoku The goal is to fill in the empty cells with the numbers "1" to "9" Each number must only appear once in each row, column, and in each 3x3 grid Have fun with this book!