books.google.co.uk - This original and ingenious book presents a new theory of the origins of human culture. Integrating perspectives of evolutionary biology and social anthropology within a Marxist framework, Chris Knight rejects the common assumption that human culture was a modified extension of primate behavior and argues...http://books.google.co.uk/books/about/Blood_relations.html?id=TECGMrey5UEC&utm_source=gb-gplus-shareBlood relations
