Schmitt, P. 2021. Book review of: Fricke, Carola (2020): European Dimension of Metropolitan Policies. Policy Learning and Reframing of Metropolitan Regions. Raumforschung und Raumordnung | Spatial Research and Planning. 79, 2 (Apr. 2021), 197–199. DOI:https://doi.org/10.14512/rur.57.