Gamble reconsiders the remarkable record of geographical expansion that began with the early hominids of sub-Saharan Africa. Through this astonishing dispersal of humans, which exceeds that of all other mammals, he traces calculated responses to variations in climate and environment.

Clive Gamble is Reader in Archaeology at the University of Southampton. He has been involved in archaeological fieldwork in Britain, Russia, Germany, Greece, Jordan, Alaska, and Australia.