Large Print Sudoku 150 Puzzles Easy to Hard: sudoku puzzle books large print for adults with solutions

It keeps you practicing your logical thinking process when you are solving a puzzle, and eventually improve your number skills. Reduces the chances of developing Alzheimer's by keeping your brain active. Learns to do things quickly. Not only playing Sudoku is interesting but it helps to increase your sense of time. Whether you want to keep your brain young and active to challenge yourself at home. It will be a great gift or challenging think on you.