Dr Nic Fields started his career as a biochemist before joining the Royal Marines. Having left the military, he went back to University and completed a BA and PhD in Ancient History at the University of Newcastle. He was Assistant Director at the British School at Athens, Greece, and then a lecturer in Ancient History at the University of Edinburgh. Nic is now a freelance author and researcher based in south-west France. Sean O'Brogain lives and works in Donegal, Ireland. He has a BA (Hons) in scientific and natural history illustration from Blackpool and Fylde College (Lancaster University).