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 is the book that contains Sudoku in very large print. The perfect gift for any Grandma and Grandad. All of the puzzles inside the book are 9x9 grid.This Sudoku puzzles specifically designed for Seniors. Sudoku rules are very easy, for sudoku grid size 9x9 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 features: This book contains 100 classic Sudoku in very large print Sudoku puzzles grid size in the book are 9x9 that are played with nine number 1,2,3,4,5,6,7,8,9 Extra Large print Sudoku Puzzles. Sudoku grids are large, very easy to read, and fill out. Large and Easy To Read Font Every single puzzle is spread out on one full page, solving could be easy on your eyes An answer key for those sudoku puzzle Puzzles are printed on high quality white 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.