| | Book reviewReceived 15 July 2009; accepted 30 July 2009. Department of Anthropology, Washington State University, Vancouver, WA 98686-9600, USA PII: S1090-5138(09)00080-4 doi:10.1016/j.evolhumbehav.2009.07.006 © 2009 Elsevier Inc. All rights reserved. | 
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