Sudoku Book 800 Puzzles, 400 Hard and 400 Extra Hard: Sudoku Puzzle Book With Two Levels of Difficulty To Improve Your Game (Paperback) (ISBN-13: 9781544005454)

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 big Sudoku puzzle book contains 800 puzzles, with two levels of difficulty to help take your game to the next level. There are 4 puzzles per page and solutions are at the end of the book.

Author: Sudoku Book
ISBN-10: 1544005458
ISBN-13: 9781544005454
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 03/01/2017
Pages: 278
Format: Paperback
Weight: 1.43lbs
Size: 11.00h x 8.50w x 0.58d