Who are we? Where did we come from?How did we get here? All the answers are here, bigger than life, and more powerful than fiction, presented by the NASA scient

NATIONAL BESTSELLER • “Exciting and provocative . . . A tour de force of a book that begs to be seen as well as to be read.”—The Washington Post Book Wo

"Anthony Aveni reveals how !Kung and Mursi hunter-gatherers depended on signals in the sky for their survival and sustenance; how Polynesian sailors navigated a