Dr Gareth Moore is the author of a wide range of brain-training and puzzle books for both children and adults. He is the creator of online brain training site www.BrainedUp.com and runs the daily puzzle website www.PuzzleMix.com. He gained his Ph.D from Cambridge University in Machine Learning, and has contributed to various advanced projects for leading technology companies. Dr Gareth Moore is the best-selling author of The Ordnance Survey Puzzle Book, The Mindfulness Puzzle Book, The Times World Atlas Puzzle Book, The Mammoth Book of New Sudoku, Stay Sharp! and many more puzzle and brain-training books.