Cities throughout the Roman Empire flourished during the reign of Hadrian (A.D. 117-138), a phenomenon that not only strengthened and legitimized Roman dominion over its possessions but also revealed Hadrian as a masterful negotiator of power relationships. In this comprehensive investigation into the vibrant urban life that existed under Hadrian's rule, Mary T. Boatwright focuses on the emperor's direct interactions with Rome's cities, exploring the many benefactions for which he was celebrated on coins and in literary works and inscriptions. Although such evidence is often as imprecise...