A simple yet effective brain-boosting programme featuring over 150 puzzles to solve. Do you want to improve your brain power but don't know where to start? This simple four-week plan will show you how. Bestselling author Dr Gareth Moore brings together the best brain-training puzzles in this easy-to-follow mental workout, which will improve your cognition, memory and recall as you solve the puzzles. Each week, Dr Gareth Moore will introduce you to a new set of puzzles, which will push your mental agility and help to increase your brain function. Featuring an explanation on how the puzzles work, alongside tips and tricks to help you make lasting change and increase your brain’s neuroplasticity, this is a puzzle programme for anyone who wants to stay sharp.