Dr Gareth Moore (B.Sc (Hons) M.Phil Ph.D) is the internationally best-selling author of a wide range of brain-training and puzzle books for both children and adults, including Antistress Puzzles, Ultimate Dot to Dot, Brain Games for Clever Kids, Lateral Logic and Extreme Mazes. His books have sold over a million copies in the UK alone and have been published in 29 different languages. He is also the creator of online brain-training site BrainedUp.com and runs the daily puzzle site PuzzleMix.com.