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The ninth title in The Times Fiendish Su Doku series - the latest volume of previously unpublished quality Su Doku puzzles from the puzzle providers to the Times.
You don’t need to be a mathematical genius to solve the treacherous puzzles in this collection of Fiendishly difficult puzzles – it’s simply a question of logic.
Since the first Su Doku puzzle appeared in The Times in November 2004, this classic game of logic has become a phenomenon, with over 5 million copies of the Times Su Doku series sold worldwide.
Perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles, and guaranteed to provide hours of mind-stretching entertainment.