Sharpen up your mind and improve your memory by playing Sudoku every day.
There are 4 Puzzles per page and solutions are at the end of the book..
This great value Bargain Size Sudoku Puzzle Book contains 1,600 puzzles, With Four Levels of Difficulty to help you improve your game.
It is said it can also reduce the chance of developing Alzheimers.
Sudoku stimulates your mind, increases concentration and makes you feel happy by giving you a sense of accomplishment.
Sharpen up your mind and improve your memory by playing Sudoku every day