Sudokus are the ever-popular number placement puzzles that give your brain a workout. Spanning across a number of difficulties so you can jump in at a point that suits and solve a grid or two when you have only five minutes to spare or settle down and work your way through!

• EXERCISE YOUR BRAIN: Give your mind a great workout as you pit your wits against these number-placement teasers.
• REDUCE STRESS: Feel your stress melt away as you focus on these satisfying puzzles.

About the Author

Eric Saunders is one of the world's leading puzzle compilers. An expert crossword clue creator, IQ puzzle manipulator and innovator of many new puzzles each year, he has supplied puzzles to newspapers including The Times and is the author of many puzzle compilations for publishers around the world.