Sudoku keeps your brain logical thinking, even at a young age. Sudoku improves critical thinking and making quick decisions based upon available evidence.

Sudoku is not only fun and interesting. It is a brain game that helps to train the brain of you and your child. Sudoku also demands attention to detail - noticing patterns and finding the right moment to make a move.

This series have four different levels: easy, normal, hard, and expert. This book is easy level.
if you need other level, please check "Mike Murphy Sudoku".

@Edition number: 2.0 add the gray square at the top of answer part, let you easy to check the answers

If you passed easy, normal and hard levels, this one will try to satisfy you. Sudoku Expert level vol.1 Details
- Small Print (5x8) to easily take with
- 100 Expert Level Sudoku Puzzles Collection
- You can challenge yourself by writing down the time, you used.

You will more and more close to normal level!

How to play?
The goal of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1 to 9 exactly once.Buy a copy today!
Sudoku Family

Pocket Sudoku: Level Easy ASIN: 1984096001

Pocket Sudoku: Level normal ASIN: 1984137085

Pocket Sudoku: Level Hard ASIN: 1983404314

Pocket Sudoku: Level Expert ASIN: 1984146394

Pocket X-Sudoku: Level Easy ASIN: 1985412640

Pocket X-Sudoku: Level Expert ASIN: 1985317117

Pocket Blank Sudoku Worksheet Book 8*10 ASIN: 1985863634

Pocket Blank Sudoku Worksheet Book 6*9 ASIN: 198586309X

Pocket Sudoku Level Expert 30 mini 4*6 ASIN: 1986303470