Dr. Gareth Moore is the author of a wide range of puzzle and brain-training books for both children and adults, including The Kid's Book of Puzzles, The Mammoth Book of Brain Games and The Rough Guide Book of Brain Training. He is also the founder of daily brain training site www.BrainedUp.com. He gained his PhD from Cambridge University (UK) in the field of computer speech recognition, teaching machines to understand the spoken word.