War At The Edge Of The World Ian Ross Head Of Zeus 2015 387 Pages The long twilight of the Roman Empire during the period of late antiquity continues to exert a peculiar fascination on historians, novelists - and the reading public. Ian James Ross is the latest entrant in this field, with his military adventure War At The Edge Of The World set in Roman Britain during the twilight of the Tetrarchy (305 AD) and before the rise of the Emperor Constantine. The Tetrarchy was the reform inaugurated by the Emperor Diocletian in which the Roman Empire was divided into Eastern and Western provinces for administrative convenience, each ruled by an Emperor assisted by a junior colleague. This system of four co-emperors held good for over twenty years before eventually breaking down. This action-packed, blood-spattered novel opens in June 298 AD at the battle of Oxsa in Central Armenia against the massed forces of the Persian