Tabla de Contenidos: “…From metropolis to polyopolis / by Peter Hall and Kathy Pain -- Anatomy of the polycentric metropolis: eight mega-city-regions in overview / Peter Hall, Kathy Pain and Nick Green -- Organisation of the polycentric metropolis : corporate structures and networks / Peter Taylor, David Evans and Kathy Pain -- The connectivity of European heartland -- Informational geography of Europolis : mapping the flow of information / Peter Hall, Kathy Pain and Nick Green -- Firms and places : inside the mega-city-regions / Kathy Pain and Peter Hall -- Flows and relationships : internal and external linkages / Kathy Pain and Peter Hall -- People and places : interrelating the "space of flows" and the "space of places" / Kathy Pain and Peter Hall -- South East England : global constellation / Kathy Pain, Peter Hall, Gareth Potts and David Walker -- Randstad, Holland : multiple faces of a polycentric role model / Bart Lambregts, Robert Kloosterman, Martyn van der Werff and Loek Kapoen -- Central Belgium : polycentrism in a federal context / Christian Vandermotten, Marcel Roelandts, Laurent Aujean and Etienne Castiau -- Rhineruhr : "polycentricity at its best"? …”