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More About This Title The Times Super Fiendish Su Doku Book 1
A new title in the Fiendish Su Doku series, concentrating entirely on the more difficult Super Fiendish puzzles
These previously unpublished quality Su Doku grids from the puzzle providers to the Times will help extreme puzzles who are looking for a real puzzling challenge. The treacherously difficult puzzles in this collection will stretch even the most advanced Su Doku enthusiast to use all of their best solving techniques. These puzzles are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles. They are guaranteed to provide hours of mind-stretching entertainment.