Sudoku Puzzle Master

Sudoku Puzzle Book 600 Puzzles, 300 Hard and 300 Extra Hard Sudoku Puzzle Master

Have fun while exercising your brain. Sudoku helps delay dementia by making your brain work in a different way and gives you a great sense of accomplishment. This jumbo book contains 600 puzzles with two levels of increasing difficulty to improve your game. There are four puzzles per page and in case you get stuck the solutions are at the end of the book. 8.5" X 11"