Raffaele D'Amato is an experienced Osprey author having written more than 20 titles. He is the author of 40 books on the military history of the Roman Empire, Middle Ages, and Byzantium, as well as numerous articles.

Having obtained his doctorate in Byzantino-Roman Law and Roman Archaeology, he taught for two years at the Fatih University of Istanbul as visiting Professor and is now working as a lawyer and as external researcher for the Laboratory of the Danubian Provinces of the University of Ferrara.

Giuseppe Rava was born in Faenza in 1963, and took an interest in all things military from an early age. Entirely self-taught, Giuseppe has established himself as a leading military history artist and is inspired by the works of the great military artists, such as Detaille, Meissonier, Ruchling, Lady Butler, Ottenfeld and Angus McBride. He lives and works in Italy.