TERRY CROWDY is a British military history author specializing in the Napoleonic Wars and the history of espionage. He has written extensively on French Revolutionary and Napoleonic infantry, with a particular focus on daily life in barracks and on campaign.

His works include a history of the 'Incomparable' 9th Light Infantry Regiment, and a study of the Battle of Marengo. He is a Fellow of the International Napoleonic Society and a Member of the Society of Authors.

CHRISTA HOOK began her illustrating career in 1986, after studying under her father Richard Hook. Her work has featured extensively in the worlds of publishing and television.

She has established herself as one of Osprey's most popular artists, having illustrated multiple series titles. Her illustrations combine the historian's attention to detail with the artist's sense of drama and atmosphere, and they are sought after by collectors worldwide. Christa lives and works in East Sussex, England.