Why does a power expand and become an empire? Writing in the early years of the Peloponnesian War, Herodotus gave Athens full credit for saving Greece from Persia, but also identified the city's expansion as a new manifestation of imperialist aggression. In this skillful analysis of Herodotus' intellectual world, J.A.S. Evans combines historical, anthropological, and literary techniques to show how the war affected not only the great thinker's view of Persian aggression and of the people involved in it but also the shape of the Histories themselves. The first essay discusses Herodotus'...