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 Sudoku Puzzle Book contains 500 puzzles With a single Level of difficulty, so there are no wasted puzzles.
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