Sudoku Puzzle Book 400 Giant Size Extra Hard Puzzles

You might not be an Einstein but you can really sharpen up your mind and improve your memory by playing Sudoku every day. Sudoku stimulates your mind by helping you practice your logical thinking process, increases concentration and makes you feel happy by giving you a sense of accomplishment. It has also been shown to reduce the chance of developing Alzheimers.

This book contains 400 giant size puzzles. Each gigantic puzzle fills a full page and solutions are at the end of the book.

Pick up a Sudoku book today and improve your brain power

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