The Times Fiendish Su Doku Book 6: 200 challenging puzzles from The Times (The Times Su Doku) The Times Mind Games
Challenge yourself at home with word and number puzzles
This is the sixth title in the Fiendish series - the latest volume of quality previously unpublished puzzles from the puzzle providers to the Times.
You don't need to be a mathematical genius to solve the puzzles in this collection of Fiendishly difficult puzzles, it is simply a question of logic.
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 series sold worldwide.
The puzzles in the collection are of the highest quality - from the puzzle suppliers to The Times. Perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles, and guaranteed to provide hours of mind-stretching entertainment.