1491: New Revelations of the Americas Before ColumbusNATIONAL BESTSELLER A groundbreaking work of science, history, and archaeology that radically alters our understanding of the Americas before the arrival of Columbus in 1492from a remarkably engaging writer (The New York Times Book Review). 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