Sergio Fabbrini argues that the European Union (EU) is made up of states pursuing different aims, rather than simply moving in the same direction at different speeds. He describes the alternative perspectives on the EU (an economic community, an intergovernmental union, and a parliamentary union), that led to multiple compromises in its structure and shows how the Euro crisis has called them into question. The book argues that a new European political order is necessary to deal with the consequences of the crisis, based on an institutional differentiation between the EU member states...