Gabriele Esposito describes the tactics, organization and equipment of the Roman army at the height of its powers, considered by many to be the most efficient and powerful fighting force of the ancient world.

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 Armies of Early Colonial North America 1607-1713, published by Pen & Sword in 2018.