A Military Biography. The only full-length monograph in English devoted to Emperor Caesar Marcus Aurelius Severus Antoninus Pius Augustus better known by his nickname, Caracalla.Reappraisal of one of the Emperors with the worst reputation the great historian Edward Gibbon called him the common enemy of mankind, while he prided himself on being referred to as the Ausonian Beast.Although condemned by ancient authors after his death, he was popular with the masses and particularly the army. He was a soldiers soldier.Obsessed with Alexander the Great he emulated him, even reforming Roman legions to look like Alexanders army of 500 years