The Master Sudoku Number Puzzle Book 200+ Sudoku Puzzles for Seniors Are you looking for challenging and fun ways to stimulate your brain? Do you need to exercise your memory retention? Try playing Sudoku! These Sudoku style number games are perfect for stretching your brain and helping with memory. These sudoku puzzles are fun and random. If you’re looking for a laugh and an easy way to pass the time, this is it! Solving puzzles is good for your mental health and well-being. Research shows that older adults and seniors who work their memory skills with puzzle games have better memory retention. Sudoku games are good for your mental health, clarity, and overall brain power! Just a few minutes a day can stimulate your brain and help you feel better, too. This book also makes a great stocking stuffer. Scroll up and click BUY NOW today