The Super Sudoku Book For Smart Kids: A Collection Of Over 200 Sudoku Puzzles Including 4x4's, 6x6's, 8x8's, and 9x9's That Range In Difficulty From Easy To Hard!
Sudoku for Kids Ages 8-12 Years Old: Fun Challenging Of Over +100 Sudoku Puzzles Including 9x9's That Range In Difficulty and Solutions From Easy To Hard
The Super Sudoku Book For Smart Kids:: A Collection Of Over 200 Sudoku Puzzles Including 4x4's, 6x6's, and 9x9's That Range In Difficulty From Easy To Hard
Brain Boost Sudoku for Smart and Clever Kids: A Collection Of Over 200 Sudoku Puzzles Including 4x4's, 6x6's, and 9x9's That Range In Difficulty From Easy To Hard!