Number Galore for Adults to Explore 240 Sudoku Puzzle Books Hard Edition

by Puzzle Therapist

Hard Sudoku games require more time thinking and planning. Come up with a good strategy to follow and stick to it. To come up with a strategy, you will have to do a lot of brain conditioning through trial and error. Are you up for it? If you are, then here's the book to begin with!

• Format: Paperback
• Language: English
• ISBN: 1541941535
• ISBN13: 9781541941533
• Release Date: September 2017
• Publisher: Puzzle Therapist
• Length: 168 Pages
• Weight: 0.51 lbs.
• Dimensions: 0.4" x 6.0" x 9.0"