’The remarkable ideas presented in this book offer a valuable window on the connections between mobility networks, knowledge generation and development, for students, academics and policy makers to consider, especially after the economic crisis of 2008 which has affected some countries so deeply. The powerful topic of this work, new and multiple forms of connectivity, guides us through the thought-provoking and clarifying points made about the geography of world cities and world city regions.’ Cándida Gago, Complutense University of Madrid, Spain ’Working across diverse disciplinary fields and geographical scales, the contributors to this rigorous and readable volume show how the infrastructures of transportation and personal mobility combine with local and global networks of knowledge creation and exchange in privileged urban places. The insights and evidence presented are essential for understanding why some city-regions occupy a dominant position in today’s global economy.’ Peter V. Hall, Simon Fraser University, Canada ’For anyone interested in the intersections between infrastructure, connectivity and territorial and networked forms of knowledge production in major city-regions, this is an indispensable collection. It contains a treasure trove of detailed empirical case studies, which significantly advance our understanding of the multiple dimensions of knowledge hubs in the global economy.’ Michael Hoyler, Loughborough University, UK