The Times Big Book of Ultimate Killer Su Doku book 3. 360 of the Deadliest Su Doku Puzzles, Paperback/***

The ideal gift for su doku enthusiasts. If you like to live dangerously and push beyond your mental comfort zone, steel yourself for The Times' toughest Ultimate Killer puzzles. A bumper collection of more than 360 puzzles for hard-core solvers. Selected from The Times these puzzles will challenge the sharpest minds. Publisher: HarperCollins Publishers Number of pages: 448 Collection: The Times Su Doku Publication date: 2023 Dimensions: 129 x 198 x 31 Cover type: Paperback / softback