Su Doku Platinum is the fourth and final title in a new series of books from the Su Doku master, Wayne Gould. The race is on as Su Doku Platinum completes the four stages of this challenging series. Testing your brain power and stamina to the limit, this Fiendish collection of puzzles brings you to the finishing line and will confirm your status as a Su Doku champion. The original creator of The Times puzzles, Wayne Gould is the leading authority on Su Doku and is the man responsible for transforming this Japanese number puzzle into a worldwide phenomenon. Gould's success resulted in him being listed as one of Time magazine's most influential people in 2005. Containing 150 previously unpublished puzzles, Su Doku Platinum completes this challenging four-part Su Doku series designed to exercise the brain and test your logic.