The Times Su Doku Collection 4

A bumper collection of 200 puzzles that will keep Su Doku enthusiasts entertained for hours with varying levels of difficulty to keep the brain cells working. Straight from the puzzle pages of The Times, this collection brings together more puzzles, offering the best quality su doku with real value. With puzzles at all levels from mild to fiendish, you can warm up slowly before taking on a bigger challenge, or simply find a puzzle to suit your mood. Enjoy on the daily commute, on holiday, or in your spare time.