Publisher's Synopsis
Sudoku puzzle book
★ Difficulty level medium
★ With solutions
★ For Adults and Kids
★ Size 8.5 x 11"
Sharpen up your mind and improve your memory by playing Sudoku every day. Sudoku stimulates your mind, increases concentration and makes you feel happy by giving you a sense of accomplishment. It is said it can also reduce the chance of developing Alzheimers.
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