Jason Hook studied history at Kent University and now lives in Sussex where he works as a freelance editor and writer for children, specializing in history. He was senior history editor at Wayland for four years before going freelance. - Paul Mason is a freelance history writer having formerly been an editor for a children's publisher for many years. He has written over 40 titles for a number of publishers including Oxford University Press and Hodder. Paul lives in Brighton. - Dr Jen Green is a full-time writer who has worked in publishing for 15 years. She received a English and American studies doctorate from the University of Sussex in 1982. She has written well over 100 books for children. Jen Lives in Sussex.