Michael Angold's book is a clear, concise and authoritative history of the successor to Roman imperial power: the Byzantine Empire. Byzantium was a Greek polis on the Bosphorus that gained importance in 324 AD when it was re-founded by Constantine the Great and named Constantinople. One of the pre-eminent cities of the Middle Ages, Constantinople played a vital role in the emergence of the medieval order in which Byzantium, western Christendom and...