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, 19th-century American subjects, the modern Chinese Army, and the history of fortification. His work features in exhibitions and publications throughout the world.

Alan Gilliland, a contributor to more than 70 Osprey titles, notably in the Weapon series, writes, illustrates and publishes fiction (www.ravensquill.com), as well as illustrating for a variety of publishers (alangillilandillustration.blogspot.com).