David Campbell has worked as a freelance new media producer and content specialist for many years, including roles at IBM, the BBC, various internet consultancies and the civil service. He has a broad range of interests in literature and history, including the Middle Ages, the Napoleonic era, naval warfare and the genesis of the Military Revolution. He lives in Hampshire, UK. Adam Hook studied graphic design, and began his work as an illustrator in 1983. He specializes in detailed historical reconstructions, and has illustrated Osprey titles on subjects as diverse as the Aztecs, the Ancient Greeks, Roman battle tactics, several 19th-century American subjects, the modern Chinese Army, and a number of books in the Fortress series. His work features in exhibitions and publications throughout the world. He lives in East Sussex, UK.