This book is an invitation for a tour around the beauty and simplicity of Sudoku and mathematics and is accessible to everyone. Taking this number brain teaser as the basis, the authors dwell into the mathematics (i.e., logic) behind Sudoku puzzles in a fun and light way that manages to be simultaneously comprehensive. This book combines the love for Sudoku puzzles with a passion for mathematics. Taking Sudoku Seriously: The Math Behind the World's Most Popular Pencil Puzzle by Jason Rosenhouse and Laura Taalman The author takes a hands-on approach, teaching every technique with the support of grids partially filled with candidates so the readers can practice their pattern-finding skills at the same time they learn the theory behind each strategy.Īt the end of each lesson, Klein also provides clean puzzles without any candidates so that readers can put their new knowledge to the test from scratch. Sudoku: Its Power Unleashed starts with the most accessible strategies and grids and slowly progresses into the hardest puzzles without forgetting the intermediate levels. Sudoku: Its Power Unleashed by David Klein The strategies are divided into a course of 52 lessons, one per week – the equivalent of a year – allowing readers to efficiently structure their learning process and giving them time to digest every concept before moving into a new one. In his book, Paul Stephens offers clear and easy to understand explanations of all the main strategies used in Sudoku while providing readers with the necessary tools to solve even the most challenging grids without any effort. The best Sudoku books to help you master the game Mastering Sudoku Week by Week: 52 Steps to Becoming a Sudoku Wizard by Paul Stephens Whenever online playing or learning is not an option, these are the best Sudoku books to enjoy a challenging offline moment, anywhere, and anytime. They can also solve them more calmly and without stressing about the time as they can always go back to that particular challenge at a later time. With books, players have to take a hands-on approach, actively writing down the candidates and striving to be clear and clean with their notes and numbers. Selecting and enjoying some of the best sudoku books out there can prove to be more insightful and educational than hours spent on the internet. Or even to learn new strategies that will take them a step closer to master the hardest grids. If I were teaching a course in Sudoku (and I am a teacher), I'd make this the required text.Lacking an internet connection is not an excuse for players not to enjoy solving Sudoku puzzles. In sum: Don't be put off by the weaknesses. Of course, you can use the computer program to help you figure that out. But for the 700 or so puzzles at the end of the book, the author should have given the answers in stages, predicting where you're likely to get stuck and indicating what would help at that point (X-wing, swordfish, etc.). The answers at the end of each chapter are okay, since you know that the puzzle deals with the contents of that chapter. To me, the biggest weakness concerns the answers to the puzzles. A simple solution is to copy each puzzle on a larger piece of paper, which will also preserve the binding. But it is very helpful, since it includes an option to suggest the next step rather than proceeding directly to the solution. The program uses X-wing and swordfish, but I don't think it includes every advanced technique, so it may guess in some situations where an expert would not. The author also includes a website that solves Sudoku puzzles, which will tell you if a puzzle can be solved by logic or if you have to guess. Even if you can't follow some of the advanced techniques, you'll still learn enough to do most puzzles. Topics include scanning, elimination, subsets, and interaction (the basics, which will enable you to solve easy to intermediate puzzles) the x-wing family (including swordfish), which will enable you to solve difficult puzzles and advanced techniques such as Gordonian logic and forcing chains, which will enable you to solve very difficult puzzles that you'll rarely encounter. Here's why: Strengths: It starts with the basics and clearly explains all the techniques you'll ever need, including some that are very advanced. If you're looking to improve your Sudoku technique and are confused by the many books on the market, this is the one to get.
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