Thomas Barfield is professor of anthropology at Boston University. His books include Afghanistan: A Cultural and Political History (Princeton) and The Perilous Frontier: Nomadic Empires and China, 221 BC to AD 1757.
"""[An] imaginative retelling of world history.""---Thomas E. Ricks, New York Times ""[An] ambitious work . . . Clear, easy to read, illuminating, and immensely learned."" * Choice *"