How did the Byzantine Empire maintain its military viability and territorial integrity across eight centuries of shifting geopolitical threats? John Haldon, a distinguished scholar of Byzantine history, utilizes primary source analysis and military records to examine the evolution of the empire's defensive strategies. The work argues that the state's survival was contingent upon its ability to adapt its military organization, recruitment, and logistics to the changing nature of its adversaries.

Historians and scholars frequently cite this work as a definitive resource for understanding the structural mechanics of the Byzantine military apparatus. Readers often note the academic density of the prose, which provides a rigorous examination of the empire's long-term survival strategies.