Sudoku are the ever-popular number placement puzzles that are entertaining and satisfying to solve and give your brain a great workout.

Sudoku are the ever-popular number placement puzzles that are entertaining and satisfying to solve and give your brain a great workout.

This collection of puzzles contains a number of difficulty levels for all levels of solver. Presented with beautiful, infinity edge designs, this is a perfect gift for any puzzle lover.

• INFINITY EDGES: Features striking 'infinity' printed page edges

• EXERCISE YOUR BRAIN: Keep your mind active as the puzzles provide an excellent mental workout.

• REDUCE STRESS: Feel your stress melt away as you focus on these satisfying puzzles.

• POCKET-SIZED: This handy layout is perfect for carrying on your travels or just to keep by your bedside.