330 Sudoku Puzzles for Adults: medium - hard - extreme Quiz Book With Instructions & Solutions Classic 9x9 Puzzle Grid Logic & Brain Teaser

By Andrew Intelligent Books

- Sudoku puzzles are a proven method for keeping the mind healthy and combating Alzheimer's and Dementia

- Hours of entertainment

- 4 difficulty levels: medium - hard - very hard - extreme

- Puzzles are in size 16 font, so that you will never suffer from eye-strain while doing them

- Format easy to use and to take everywhere (6" x 9" paperback)

- Perfect gift for that special someone

• Format: Paperback
• Language: English
• ISBN: 1791977898
• ISBN13: 9781791977894
• Release Date: December 2018
• Publisher: Independently Published
• Length: 112 Pages
• Weight: 0.35 lbs.
• Dimensions: 0.2" x 6.0" x 9.0"