Collins Su Doku Su Doku Challenge Book 4: 200 Su Doku puzzles (Collins Su Doku) - Collins Puzzles (Paperback) 18-03-2021
The perfect stocking filler for su doku lovers this Christmas. Are you up to the challenge of 200 new Su Doku puzzles, arranged in easy, medium and difficult categories? Keep your mind sharp and test your powers of deductive reasoning. An ideal pastime while travelling, on holiday or relaxing at home.