Gabriele Esposito is an Italian researcher and a long-time student of military history, whose interests and expertise range widely over various periods. He is the author of numerous books on armies and uniforms and is a regular contributor to many specialized magazines in Italy, France, Netherlands and UK. His many previous works include the following published by Pen & Sword: Armies of Early Colonial North America 1607-1713 (2018), Armies of the Late Roman Empire AD 284-476 (2018), Armies of the Hellenistic States 323 BC-AD 30 (2019), Armies of Celtic Europe 700 BC to AD 106 (2019) and Armies of Ancient Greece circa 500 to 338 BC (2020)