About the Author

Dr Gareth Moore is the author of a wide range of brain-training and puzzle books for both children and adults, including The Mammoth Book of New Sudoku, The Rough Guide Book of Brain Training and The Mammoth Book of Brain Games. He is also the creator of online brain training site Brained Up (www.brainedup.com) and runs the puzzle website www.puzzlemix.com. He gained his Ph.D from Cambridge University (UK) in the field of Machine Learning, and has contributed to various advanced projects for leading technology companies.