A unique, major survey of the magnificent fortifications built all over Greece in the Hellenistic period (c.4th-1st centuries BC). Among the most impressive of ancient remains, they provide fascinating evidence of secular classical architecture, as well as insights on the political history of Hellenistic Greece.

The only Latin art of war to survive, Vegetius' Epitome was for long a part of the medieval prince's military education. The core of his proposals, the maintenance of a professional standing army, was revolutionary for medieval Europe, while his theory of deterrence through strength remains the foundation of modern Western defence policy.