The Times Fiendish Su Doku Book 15: 200 challenging Su Doku puzzles (The Times Su Doku)

The latest title in The Times Fiendish Su Doku series previously unpublished quality Su Doku puzzles. Includes 180 Fiendish and 20 Super Fiendish puzzles.

You dont need to be a mathematical genius to solve the treacherous puzzles in this collection of Fiendishly difficult puzzles its 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.