"The book might appeal to academics looking for an introduction to this research program, for example, psychologists, anthropologists, sociologists, or political scientists concerned with cultural differences and seeking an alternative perspective. ... The volume has much to offer for fans of consilience. ... The book also has much to offer for those skeptical of parasite stress having such encompassing effects on culture as well as for those skeptical of the psychological processes claimed to cause the cultural variation." (Florian van Leeuwen, The Quarterly Review of Biology, Vol. 91 (2), June, 2016)