Chiryoku: Keep your brain young the Japanese way – over 200 brain-training puzzles (& why they work)

Dr Gareth Moore is the bestselling author of over 150 puzzle and brain-training titles from a wide range of publishers, including The Ordnance Survey Puzzle Book, The Mindfulness Puzzle Book series, Brain Games for Clever Kids and The Penguin Book of Puzzles. His books have sold in excess of 5 million copies in English alone, and have been published in over 35 different languages. He is also the creator of the daily brain-training site, BrainedUp.com. Find him online at DrGarethMoore.com.