Review: Modeling Cities and Regions as Complex Systems: From Theory to Planning Applications By Roger White, Guy Engelen, and Inge UljeeWhiteRogerEngelenGuyUljeeInge. 2015. Modeling Cities and Regions as Complex Systems: From Theory to Planning Applications. Cambridge, MA: MIT Press. 330 pp. $48.00 (hardback). ISBN 978-0-262-02956-8.