The book explores the challenge in the forty years of existence of the sub regional organization. It goes ahead to highlight some new dimensions on possible future directions on the sub regional organization. Students and lecturers of international relations and other disciplines would find the text useful in the writing of their thesis and addition to their lecture notes. The book underscores the significance of political and economic integration as dominant feature of international relations. This collection of essays reflects different perspectives from leading Nigerian scholars have interrogated key aspects of ECOWAS and its relations among member states in the last decade. The contributors also offer projections into possible alternative future scenarios for ECOWAS as a sub regional body and also as an important member of the international community as well as a major actor on the international stage. Put together in celebration of the 40^th Anniversary of the sub regional body.