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I truly LOVE your puzzles. Thank you for a new and challenging twist on the sudoku puzzle. These are, by far, my favorite variation. - Jane, Bethesda, USAThis very interesting advancement to the puzzle has rekindled my familys interest in sudoku. Its just amazing that so many numbers can go together in only one way. - Peter, Banstead, UKAfter finishing my first sudoku puzzle, I was hooked. Having them in 3-D form only makes me want to do them 3 times more! Thank you for cubing the complexity of the challenge. - Rory, Buderim, AUSAbout the Author:Richard John is the mastermind behind this uniquely challenging form of Sudoku that expands the 2-dimensional puzzle into a mind-bending cube of seemingly unsolvable numbers. His engineering background and perseverance helped create what you hold in your hands today. Richard runs a family business and teaches yoga. He lives with his wife, Claire, in Harare, Zimbabwe.Publishers website: http://sbpra.com/RichardJohn
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