This book explores the recent trend of enhancing the role of the people in constitutional change. It traces the reasons underlying this tendency, the new ways in which it takes form, the possibilities of success and failure of such ventures as well as the risks and benefits it carries. To do so, it examines the theoretical aspects of public participation in constitutional decision-making, offers an analysis of the benefits gained and the problems encountered in countries with long-standing experience in the practice of constitutional referendums, discusses the recent innovative constitution-making processes employed in Iceland and Ireland in the post financial crisis context and probes the use of public participation in the EU context. New modes of deliberation are juxtaposed to traditional direct-democratic processes, while the reasons behind this re-emergence of public involvement narratives are discussed from the aspect of comparative constitutional design. The synthetic chapter offers an overview of the emerging normative and comparative issues and provides a holistic approach of the role of the people in constitutional change in an attempt to answer when, where and how this role may be successfully enhanced. The work consists of material specifically written for this volume, and authored by prominent constitutional scholars and experts in public participation and deliberative processes.