The Collection of Very Hard Book of Sudoku Puzzles

By Puzzle Coop Books

Nothing very hard for a good player like you You see, Sudoku puzzles are extremely good at increasing your brain power. They improve your memory and logic because you need both to see the patterns and figure out what the next number will be. Test your skills and your patience. Grab a copy today

• Format: Paperback
• Language: English
• ISBN: 1683238966
• ISBN13: 9781683238966
• Release Date: July 2016
• Publisher: Puzzle COOP Books
• Length: 108 Pages
• Weight: 0.34 lbs.
• Dimensions: 0.2" x 6.0" x 9.0"