Expert Sudoku

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Put your logic-skills to the test with this collection of over 200 sudoku puzzles. Perfect for the more experienced puzzlers, the number grids included offer a challenging and satisfying solving experience.• IMPROVE YOUR SOLVING Each puzzle is graded so you can enjoy the satisfaction of seeing your skill improve as you work through the levels.• EXERCISE YOUR Give your mind a great workout as you find where each missing number fits.• REDUCE Feel your stress melt away as you focus on these satisfying puzzles.ABOUT THE SERIES : The challenges in the Ingenious Books series are created by one of the world's leading puzzle authors, Ben Addler. His wealth of experience in producing challenging puzzles ensures the dedicated puzzler a truly satisfying solving experience.