This book contains 150 classic large print puzzle books sudoku hard difficulty Sudoku puzzles grid size in the book are 9x9 that are played with nine number 1,2,3,4,5,6,7,8,9 Sudoku grids are large, very easy to read, and fill out. 2 Puzzles Per Page Large and Easy To Read Font All puzzles come complete with solutions towards the back of the book Puzzles are printed on high quality white paper, size 8,5 x 11 inches A simple instructions for beginners 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 puzzles large print. All of the puzzles inside the book are classic 9x9 grid sizes This Sudoku puzzles specifically designed for Adults. Sudoku rules are very 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 exacly one of each of the numbers 1,2,3,4,5,6,7,8,9 Choose your book today by clicking on the BUY NOW button at the top of this page.