books.google.co.uk - The five and a half centuries described in this volume were those in which Iron Age cultures passed from their early and experimental phases into stages of maturity characterized by long-distance trade and complex, many-tiered political systems. In Egypt and North Africa it was a period of religious...http://books.google.co.uk/books/about/The_Cambridge_History_of_Africa.html?id=Qwg8GV6aibkC&utm_source=gb-gplus-shareThe Cambridge History of Africa
