Give your logic skills a workout with the brilliant Sudoku puzzles in this book, put together by puzzle master Dr Gareth Moore. Forget your worries, pick up a pen and focus on these challenging brain-teasers.
Sudoku Over 150 Puzzles to Give Your Brain a Workout
Paperback (10 Jan 2019)
Includes delivery to USA
10+ copies available online - Usually dispatched within 48 hours