THE REIGN OF EMPEROR GALLIENUS: THE APOGEE OF ROMAN CAVALRY
256pp., 120 illus.incl.colour, 35 maps. 2019. This is the only fully illustrated military life of the Emperor Publius Licinius Egnatius Gallienus (253-268). Considered the most blatantly military man of all of the soldier emperors of the third century. Gallienus faced more simultaneous usurpations and foreign invasions than any other emperor, but somehow he managed to survive.