The Times Su Doku - The Times Difficult Su Doku Book 2: 200 challenging puzzles from The Times

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Test your powers of logic with these challenging Su Doku puzzles. A collection of 200 Difficult Su Doku puzzles of the highest quality from The Times newspaper. Perfect for the int ermediate Su Doku solver in need of a constant supply of challenging puzzles, this book is guaranteed to provide hours of absorbing, brain-stretching entertainment. Since the first Su Doku puzzle appeared in The Times in 2004, they have become a phenomenon, with over 5 million copies of The Times Su Doku books sold worldwide. You don't need to be a mathematical genius to solve these puzzles; it is simply a question of logic. Each puzzle has a unique solution – and there's no guesswork required. The Times Su Doku remains the original, the best and the market leader. Show more