Atlas of a Lost World: Travels in Ice Age America

The first people in the New World were few, their encampments fleeting. On a side of the planet no human had ever seen, different groups arrived from different directions, and not all at the same time. The land they reached was fully inhabited by megafauna—mastodons, giant bears, mammoths, saber-toothed cats, enormous bison, and sloths that stood one story tall. These Ice Age explorers, hunters, and families were wildly outnumbered and many would themselves have been prey to the much larger...