What uses numbers but is not about math?What has a Japanese name but was not born in Japan?Sudoku is a logic and deduction game having only one solution. It always starts with some numbers filled in on a grid. The numbers don't involve math; they are just symbols and could just as well be letters or emojis. The idea is for you to find the rest of the numbers. Each puzzle can vary in complexity and the difficulty level depends on how many numbers are provided and where they are as you begin the puzzle.Finding that solution is a fun and engaging process that requires focus and concentration. The easiest puzzles are mildly challenging. The hardest puzzles can be maddening! The best way to learn the secrets, strategies, tips, tactics and techniques is by watching the process of Sudoku puzzle solving unfold before you. And there is one technique that everyone teaches, but you should never useThat's why The Sudoku Professor's "How to Play Sudoku - Introductory Lessons" on DVD is the best and most immersive introduction into the fun and challenging world of Sudoku available anywhere.These simple video lessons use understandable terminology you can put to use right away to:* Learn powerful techniques* Accelerate your solving by limiting the amount of data you put on the board* Learn simple pencil marking that gives you amazing results* Discover the "Two Hidden Truths of Sudoku"* Practice with the exercise puzzles and review lessons* Learn how to solve puzzles that give you very little information to start withFun fact: Sudoku is based on "Latin Squares", a concept developed by Leonhard Euler, an 18th century Swiss mathematician, logician and engineer who lived mostly in Russia and Berlin.Sudoku precursor puzzles were included in Dell puzzle books in the U.S. in the 1970's. They became a big hit in Japan by the mid-1980's wherein they were renamed Sudoku for "single number."
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