When Columbus landed in 1492, the New World was far from being a vast expanse of empty wilderness: it was home to some seventy-five million people. They ranged from the Arctic to Tierra del Fuego, spoke as many as two thousand different languages, and lived in groups that varied from small bands of hunter-gatherers to the sophisticated and dazzling empires of the Incas and Aztecs. This brilliantly detailed and documented volume brings together essays...