Sudoku Book 800 Puzzles, 400 Hard And 400 Extra Hard: Sudoku Puzzle Book With Two Levels Of Difficulty To Improve Your Game (Sudoku Book Series)

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

Publisher: CreateSpace Independent Publishing Platform

Publication Date: Mar 01, 2017

Number of Pages: 276 pages

Language: English

Binding: Paperback

ISBN-10: 1544005458

ISBN-13: 9781544005454