Sudoku Book 600 Puzzles, 300 Hard And 300 Extra Hard: Sudoku Puzzle Book With Two Levels Of Difficulty To Improve Your Game (Sudoku Book Challenger 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 Sudoku puzzle book contains 600 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: May 04, 2017
• | Number of Pages: 208 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1546472134
• | ISBN-13: 9781546472131