Urban theory: a critical introduction to power, cities and urbanism in the 21st century, by Alan Harding and Talja Blokland, London, Sage, 2014, 312 pp., US$45 (paperback), ISBN 978-1-44629-452-9 … Visit site: Urban theory: a critical introduction to power, cities and urbanism in the 21st century, by Alan Harding and Talja Blokland, London, Sage, 2014, 312 pp., US$45 (paperback), ISBN 978-1-44629-452-9