Over eleven thousand years ago the plains of the great Southwest were covered with sweet long-season grass. Herds of camels, bison, mammoths lived with predators like dire wolves, saber-toothed cats, and the hunter gatherers we now call the Clovis people. This story of Willow, Jak, Etol, and their clan takes place in a land that we unconsciously recognize, and shows us people whose needs, hopes, and fears are our own. They live in a world where communication...

Who were the first humans to inhabit North America? According to the now familiar story, mammal hunters entered the continent some 12,000 years ago via a land bridge that spanned the Bering Sea. Distinctive stone tools belonging to the Clovis culture established the presence of these early New World people. But are the Clovis tools Asian in origin? Drawing from original archaeological analysis, paleoclimatic research, and genetic studies, noted archaeologists...