'This is a comprehensive, policy-oriented study of the input of the European Union in the on-going struggle over the future direction of international investment law. Written with elegance and a critical eye on legal details, the book succeeds marvelously in the almost impossible task of bringing together and evaluating the different ideas underlying the various meanings of the 'rule of law' animating EU's internal and external policy as well as international investment law. It peaks in a sharp and realistic analysis of the prospects for the proposed International Investment Court. This is the best work that I have read on the law and politics and international investment law.' Martti Koskenniemi FBA, Professor of International Law, University of Helsinki, Emeritus