Stimulate the mind with a book of Sudoku puzzles. Sudoku challenges the mind to think both logically and creatively. Practice your logical thinking process and eventually improve your number skills by completing Sudoku puzzles. Other benefits of Sudoku include improved patience, self-confidence and a competitive attitude that's quite difficult to beat. Begin solving today. | The Game Book for Seniors Sudoku Puzzle Books Large Print by Senor Senor Sudoku, Paperback | Indigo Chapters