This study of Native American societies is adapted for younger readers from Charles C. Mann's best-selling 1491. Turning conventional wisdom on its head, the book argues that the people of North and South America lived in enormous cities, raised pyramids hundreds of years before the Egyptians did, engineered corn, and farmed the rainforests.

"From the author of 1491--the best-selling study of the pre-Columbian Americas--a deeply engaging new history that explores the most momentous biological event since the death of the dinosaurs. More than 200 million years ago, geological forces split apart the continents. Isolated from each other, the two halves of the world developed totally different suites of plants and animals. Columbus's voyages brought them back together--and marked the beginning...