Building Babies: Primate Development in Proximate and Ultimate Perspective. Developments in Primatology: Progress and Prospects. Edited by Kathryn B. H. Clancy, Katie Hinde, and Julienne N. Rutherford. New York: Springer. $229.00. xiii + 531 p.; ill.; index. ISBN: 978-1-4614-4059-8 (hc); 978-1-4614-4060-4 (eb). 2013.