500 Sudoku Expert Level Puzzles and Answers in Easy to See Large Clear Print. This game is great to challenge your mind and keep you sharp. We offer 5 different skill levels of Sudoku Puzzles, from Beginner to Championship! Our books will continue to keep you challenged. Great for all ages! We hope you enjoy our puzzle books. If you have any suggestions for improvements, please let us know at GeniusPublishing.net. We always appreciate your reviews.