What happened to the others? And what may happen to us? Most books about the history of humanity pursue either a historical or a biological approach, but Dr. Yet today there is only one - Homo sapiens. One hundred thousand years ago, at least six different species of humans inhabited Earth. From a renowned historian comes a groundbreaking narrative of humanity's creation and evolution - a number one international best seller - that explores the ways in which biology and history have defined us and enhanced our understanding of what it means to be 'human'.
