If you're blasting your way through the easy sudoku puzzles, but struggling on the harder ones, this is the perfect book to help you get better and faster so that you can dominate any sudoku puzzle that stands in your way. This book contains 100 medium-level sudokus that are a step-up from the beginner sudoku puzzles, but a step down from the hard ones. Perfect for sharpening-up your sudoku skills.
Sudoku puzzles are a great exercise for your brain. They help to stimulate the mind and can even delay or prevent diseases like Alzheimer's.
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