1491 (Second Edition): New Revelations of the Americas Before Columbus

In this groundbreaking work of science, history, and archaeology, Charles C. Mann radically alters our understanding of the Americas before the arrival of Columbus in 1492.
 
Contrary to what so many Americans learn in school, the pre-Columbian Indians were not sparsely settled in a pristine wilderness; rather, there were huge numbers of Indians who actively molded and influenced the land around them. The astonishing Aztec capital of Tenochtitlan had running water and immaculately clean…