Byzantium: The Imperial Centuries, AD 610-1071 - Romilly James Heald Jenkins, Medieval Academy of America - Google Books

https://books.google.de/?id=O5JqH_NXQBsC

Originally published by Weidenfeld and Nicholson, 1966. Focusing on the middle period in Byzantium's eleven-century history as its most imperial era, Jenkins considers a number of events that changed the course of world history: the repulse of the Saracens…