The Times Fiendish Su Doku Book 2 200 Challenging Puzzles From The Times The Times Fiendish

These previously unpublished quality Su Doku grids from the puzzle providers to the Times are ideal for helping to develop the skills needed to take on Extreme Su Doku The 200 puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best solving techniques to get to the end of this testing challenge. The puzzles in the collection are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles. Guaranteed to provide hours of mind-stretching entertainment.