Imperial Rome AD 193 to 284. The Critical Century, Paperback/Clifford Ando

The Roman empire during the period framed by the accession of Septimus Severus in 193 and the rise of Diocletian in 284 has conventionally been regarded as one of crisis. This book describes and integrates the contrasting histories of different parts of the empire and assesses the impacts of administrative, political and religious change.