These are previously unpublished quality Su Doku grids from the puzzle providers to The Times, and help to develop you to take on Extreme Su Doku.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, and are guaranteed to provide hours of mind-stretching entertainment.

Binding Type: Paperback
Publisher: HarperCollins UK
Published: 08/01/2019
ISBN: 9780008285487
Pages: 272
Weight: 0.40lbs
Size: 7.70h x 5.00w x 0.80d