Sudoku Puzzle Book 1,000 Puzzles, 500 Hard and 500 Extra Hard: Two Levels Of Sudoku Puzzles In This Jumbo Size Book

Have fun while exercising your brain. Sudoku helps delay dementia by making your brain work in a different way and giving you a great sense of accomplishment. This jumbo book contains 1,000 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"