The Africans who came to ancient Greece and Italy participated in an important chapter of classical history. Although evidence indicated that the alien dark- and black-skinned people were of varied tribal and geographic origins, the Greeks and Romans classified many of them as Ethiopians. In an effort to determine the role of black people in ancient civilization, Mr. Snowden examines a broad span of Greco-Roman experience--from the Homeric era to the age of Justinian--focusing his attention on the Ethiopians as they were known to the Greeks and Romans. The author dispels unwarranted...