1 of 1 people found the following review helpful
5.0 out of 5 stars
Fiendish but great fun Su Doku, 12 Oct 2010
For anyone that likes Su Doku but finds the normal issue a little to easy, this is the book for you. Plenty of great puzzles (with answers at the back) and 20 really sticky ones at the end. Great value for money and a real challenge.