Robin Dunbar & Chris Knight 
Evolution of Culture [PDF ebook] 

This book explores the ways in which contemporary evolutionary thinking might inform the study of the peculiarly human phenomenon of symbolic culture, including language, ritual, religion, religion and art. It draws together contributions from biologists, linguists, anthropologists and archaeologists in order to establish common ground where collaboration and interaction will be especially productive and challenging in the study of those fundamental aspects of our biology that makes us human.* Multidisciplinary* An evolutionary approach to culture