Good Quality Sudoku Notebook for Adults . Variety Puzzle Book with 240 Tests 12+

📖 Sudoku is a numbers game that comes loaded with benefits. Spending about an hour each day solving Sudoku puzzles will help boost your logic and memory, as well as your concentration power. You will need to think strategically and creatively to solve the puzzles. Do you think you can do that everyday? Grab a copy now.