The present and the future of the European Union are a source of concern, not only for citizens but also for political scientists, economists and qualified staff of the Community institutions. The outcome of the elections to the European Parliament in 2014 has raised concerns with the arrival of this key institution of populist, Eurosceptic or simply Europhobes. Two issues are crucial in generating this feeling of fear of the future: one, the crisis, the economy; the other has to do with the impression that the EU is not getting to be that a global player in international relations in which aims to become long. The European Union must face in the near future making important decisions in three key areas: ending the crisis, the process of European integration and its role as an international actor.

Just because this seemed forced the second edition of this book, because in it the authors, after attending the genesis and transformation of the European Union, its institutions and its legal system and the relationship thereof with the Spanish Law , trying to solve the major powers or powers of the Union in many materials areas, including selecting three of them: the attainment of a single market; the establishment of an area of ​​freedom, security and justice, and essential manifestations of its external action.

But this book also concludes asking a fundamental question, namely, the relationship between the European Union and its citizens, by the mere fact of being such and not as economic actors. The memory of those among us understood that the process of European integration can not be done without the citizens of on foot and honor. The development of law relating to citizenship of the Union has been fascinating, and he has contributed in a special way the Court. And yet, the final content of the meaning that the Union for its citizens is yet to be written.