Cheltenham, UK • Northampton, MA, USA Densifying the City? Global Cases and Johannesburg Edited by Margot Rubin School of Architecture and Planning, University of the Witwatersrand, South Africa Alison Todes School of Architecture and Planning, University of the Witwatersrand, South Africa Philip Harrison School of Architecture and Planning, University of the Witwatersrand, South Africa Alexandra Appelbaum School of Architecture and Planning, University of the Witwatersrand, South Africa