The Times Difficult Su Doku Book 1: 200 Dreadfully Tricky Su Doku Puzzles

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A collection of 200 previously unpublished Difficult Su Doku puzzles. Perfect for the more advanced Su Doku solver in need of a constant supply of challenging puzzles. Guaranteed to provide 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 4 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 ...

The Times Difficult Su Doku Book 1: 200 Dreadfully Tricky Su Doku Puzzles 2006, Times Books, London

ISBN-13: 9780007232529

Mass-market paperback

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