"This volume offers an introduction to the life and work of the 3rd-century-AD Greco-Roman senator and historian Cassius Dio, whose work, although imperfectly preserved in 80 books, is of fundamental importance to our understanding of Roman history. It is said that Dio is not one of the best ancient historians and his Roman history, due to its sheer size, is often imprecise and superficial in its analysis. It has also been assumed that there was no political agenda behind the work, and that Dio's principal value to us is as a reliable copyist, who mediated the works of other, and better sources"--