Perilous Privilege, the Story of Emperor Gallienus in the Chaos of Third Century Rome

In 253 Gallienus, a 35-year-old Patrician, is unexpectedly named co-emperor and tasked with defending the western half of the empire against invading tribes and suppressing civil wars launched by ambitious provincial governors. He must also deal with a restive Senate and tempting women willing to use any means available to advance their own interests.