The following recent publication:- Zebra Stripes (Tim Caro; University of Chicago Press; 2017) should be a fascinating book for those of us especially interested in zebras.... See the link below for further details Zebra Stripes
So, it should be Tim. Another great book on equids in general is this one: Wild Equids: Ecology, Management, and Conservation, edited by Jason I. Ransom and Petra Kaczensky (2016, John Hopkins University Press). Link: Wild Equids