Sudoku Book 1,000 Extra Hard Puzzles: Sudoku Puzzle Book With Only One Level of Difficulty

By Charles Mason and Jeffrey M. Perloff

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 1,000 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. This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 154507948X
• ISBN13: 9781545079485
• Release Date: April 2017
• Publisher: Createspace Independent Publishing Platform
• Length: 342 Pages
• Weight: 1.75 lbs.
• Dimensions: 0.7" x 8.5" x 11.0"