Sudoku is the ever-popular number placement puzzle that give your brain a workout. With a range of difficulty levels to explore, you can build your skills and confidence as you go. Presented in a convenient pocket-sized format, this collection is perfect for slipping into your bag for puzzling on the go.

Sudoku is the ever-popular number placement puzzle that give your brain a workout. With a range of difficulty levels to explore, you can build your skills and confidence as you go. Presented in a convenient pocket-sized format, this collection is perfect for slipping into your bag for puzzling on the go.