Chris Gravett is a former Senior Curator at the Royal Armouries, Tower of London, and a recognised authority on the arms, armour and warfare of the medieval world. He has worked as an advisor for numerous TV and film productions, and has written many books for Osprey, including Warrior 1: Norman Night 950-1204 AD. He currently works as a curator at Woburn Abbey, Bedfordshire.

Adam Hook studied graphic design, and began his work as an illustrator in 1983. He specialises in detailed historical reconstructions, and has illustrated Osprey titles on the Aztecs, the Greeks, the American Civil War and the American Revolution. His work features in exhibitions and publications throughout the world.
Christopher Gravett is a former Senior Curator at the Royal Armouries, Tower of London, and a recognized authority on the arms, armour and warfare of the medieval world. He has worked as an advisor for numerous TV and film productions, and has written several books, including DK Eyewitness Knight and Castle and more than 20 titles for Osprey.
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.