6Big Book of Sudoku Medium to Hard 1000 Puzzles
is a perfect funny Sudoku book for adults.
Would you like to improve your logical skills?
Love hard Sudoku puzzles? Then you'll love this book!
Why play Sudoku?
✓ Sudoku gives your brain the ultimate workout.
✓ It keeps you and your mind healthy and productive.
✓ It helps to maintain and improve your memory.
✓ It also can increase your concentration and focus.
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- 1000 enjoyable Sudoku puzzles
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- Medium level: 320 puzzles
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- Hard level: 680 puzzles
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- Keeps your mind active and performing well.
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- Suitable for all levels: beginner to expert
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