S G Goodrich & Philip Henry Stanhope 
General Belisarius: Soldier of Byzantium-The Life of Belisarius by Lord Mahon (Philip Henry Stanhope) [EPUB ebook] 
With a Short Biography of Belisarius by S. G. Goodrich

"The military commander known as 'the last of the Romans’Flavius Belisarius is a name well known to those interested in the conflicts of the later Roman Empire at the time of Justinian I. The Roman Empire of the west had fallen and the emperor of Byzantine Empire in the east, centred on Constantinople, dreamed of recovering by conquest the Mediterranean territories that had been lost. The ambition was a colossal one, but Belisarius was undoubtedly the military commander for the task. Having won his first laurels against the Persians, he went on to fight the Vandals and Ostrogoths, and eventually captured Rome itself. At the time of his death in 565 AD the empire he served had expanded its territory by almost half."-Print ed.