This course aims at providing the political science graduate students with a thorough analysis of international relations theory. The course will do so first, by analyzing the emergence of the modern state system and the evolution of the international relations as a discipline. Second, the course will focus on major approaches and paradigms in international relations theory, namely realism, neorealism,liberalism, neoliberal institutionalism. and contructivisim. By differentiating between rationalist and sociological approaches to international relations, the course will expose the students to the major current debates in IR theory. The course aims to furnish the students with advanced theoretical skills on international relations that would enable them to further their studies on international relations.