Theories of International Relations: Contending Approaches to World PoliticsSince the field of International Relations was established almost a century ago, many different theoretical approaches have been developed, each offering distinctive accounts of the world, why it has come to be the way it is, and how it might be made a better place. In this illuminating textbook, leading IR scholar, Stephanie Lawson, examines each of these theories in turn, from political realism in its various forms to liberalism, Marxism, critical