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An unread, unused copy: no writing or highlighting, and no missing or damaged pages. Every book we sell is brand new, including our lowest-priced titles.
Your brain needs meals as much as your body does. So aside from eating healthy, you should also have a generous serving of Sudoku every once in a while. Sudoku keeps your brain active and sharp. It breaks your routine because it introduces different patterns every time. Especially the hard ones, Sudoku can be an effective means of therapy too. Get a copy today.