Openings: the urban question as a scale question? -- Between fixity and motion: scaling the urban fabric -- Restructuring, rescaling and the urban question -- Global city formation and the rescaling of urbanization -- Cities and the political geographies of the "new" economy -- Competitive city-regionalism and the politics of scale -- Urban growth machines : but at what scale? -- A thousand layers: geographies of uneven development -- Planetary urbanization: mutations of the urban question -- Afterword: new spaces of urbanization