Sudoku for Kids 8 Years Old: 200 Sudokus for 8 Year Olds - Comes with Instruc...
Sudoku for Kids 8 Years Old: 200 Sudokus for 8 Year Olds - Comes with Instructions and Solutions by Kampelmann, Kampelmann, ISBN 1655588893, ISBN-13 9781655588891, Brand New, Free shipping in the US