This course provides an introduction and (partial) overview of contemporary International Security studies. It will first deal with some of the disciplines classical themes: the (construction of) threats and use of force by states and non-state actors to achieve political and military objectives. It will then explore a variety of newer international security issues and approaches, as well as challenges to the classical paradigm. Questions addressed will include: the systemic impact of violent conflict, cooperation under the security dilemma, communal and intra-state conflicts, security communities, the political economy of conflict, human security, cyber security, environmental security, non-state armed actors. The reading list and approach is broad and eclectic, including a variety of concepts and approaches, to allow students to explore a range of conceptual and practical issues within contemporary security studies.