The Times Su Doku - The Times Difficult Su Doku Book 6: 200 challenging puzzles from The Times

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Test your powers of logic with these challenging Su Doku puzzles. The eagerly-awaited sixth book in the bestselling Times Difficult Su Doku series. This is the latest collection of 200 previously unpublished Difficult Su Doku puzzles – perfect for the intermediate Su Doku solver in need of a constant supply of challenging puzzles. You are guaranteed hours of absorbing, brain-stretching entertainment. Since the first Su Doku puzzle appeared in The Times in November 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