"A groundbreaking book about how technological advances in genomics and the extraction of ancient DNA have profoundly changed our understanding of human prehistory while resolving many long-standing controversies. Massive technological innovations now allow scientists to extract and analyze ancient DNA as never before, and it has become clear--in part from David Reich's own contributions to the field--that genomics is as important a means of understanding...

A study based on a decade-long DNA survey traces the genetic makeup of British Islanders and their descendants, ranging from prehistoric times to the genetic heritage of Americans of British descent.