In a time of increasing interest on new actors and new modalities of international development cooperation, Rubens Duarte's The Politics behind Aid and Cooperation Norms: Critical Reflections on the Normative Role of Brazil and the United Kingdom offers an inestimable contribution to this area of studies by demonstrating the different conceptions and practices of the North and South, and especially by showing that, in spite of the differences between them, power relations within and between states are inescapable factors to be taken into account in all and any analysis on the subject.