astronomers, and Aristotle. G. E. R. Lloyd also investigates the relationships between science and philosophy and science and medicine; he discusses the social and economic setting of early Greek science; and he analyzes the motives and incentives of the different groups of writers.

    Here, from award-winning historian and journalist Charles Mercer, is the story of the military genius who became a king at twenty told with all the color and drama characteristic of Alexander's time.