The Times Samurai Su Doku 12. 100 Extreme Puzzles for the Fearless Su Doku Warrior, Paperback/The Times Mind Games

For anyone who loves the challenge of Su Doku but manages to solve them within minutes, you can now enjoy the extended mental workout and ultimate endurance test of a five grid interlinked system. Publisher: HarperCollins Publishers Author(s): The Times Mind Games Number of pages: 176 Collection: The Times Su Doku Publication date: 2023 Dimensions: 245 x 188 x 12 Cover type: Paperback / softback