Petersen, A. K. Kevin Laland, Darwin’s Unfinished Symphony: How Culture Made the Human Mind (Princeton, NJ and Woodstock,: Princeton University Press, 2017), 464 Pp. ISBN: 978-0-69115-118-2. $35.00 £27.95 Hbk. JCH 2018, 3 (1-2), 227-231. https://doi.org/10.1558/jch.34146.