Cookies help us deliver our services. By using our services, you agree to our use of cookies.Learn moreGot it books.google.co.uk - All historiography is 'work in progress' and the study of the history of humanity has undergone considerable changes since the publication of UNESCO's History of Mankind. After almost fifteen years of intensive work, it is UNESCO Publishing's privilege to present an entirelyrevised and updated edition...https://books.google.co.uk/books/about/History_of_Humanity_Prehistory_and_the_b.html?id=e75T03MIp3sC&utm_source=gb-gplus-shareHistory of Humanity: Prehistory and the beginnings of civilization