by Sudoku Book (Author)
Sharpen up your mind and improve your memory by playing Sudoku every day. Sudoku stimulates your mind, increases concentration and makes you feel happy by giving you a sense of accomplishment. It is said it can also reduce the chance of developing Alzheimers.
This Sudoku puzzle book contains 500 puzzles with a single level of difficulty, so there are no wasted puzzles. There are 4 puzzles per page and solutions are at the end of the book.
Number of Pages: 174
Dimensions: 0.37 x 11 x 8.5 IN
Publication Date: March 28, 2017