Sudoku Puzzle Book Hard 500 - Book 2 : Mind Games For Adults - Logic Games Adults - Brain Games Sudoku

Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game.
If you play Sudoku everyday, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles.  
By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory. 

This book contains 500 puzzles sudoku for adults hard.   All of the puzzles inside the book are 9x9 grid. 
Sudoku rules are easy. Each number 1,2,3,4,5,6,7,8 and 9 must appear only once in each row, column, and region. Complete this puzzle so that every row across, every column down and every region contains the numbers 1 to 9.
Each row and each column have only one and exactly one of each of the numbers 1,2,3,4,5,6,7,8,9

Book Feature:

• 500 Sudoku Books for adults in hard level  
• Sudoku puzzles grid size in the book are 9x9 that are played with nine number 1,2,3,4,5,6,7,8,9 
• An answer key for each sudoku puzzle 
• Puzzles are printed on high quality white paper, paper size 8,5 x 11 inches
• A simple instructions for beginners

Choose  your book today by clicking on the BUY NOW button at the top of this page.