This bestselling dictionary contains over 1,700 entries on all aspects of politics and international relations. Written by a leading team of political scientists, it embraces the multi-disciplinary spectrum of political theory including political thinkers, history, institutions, theories, and schools of thought, as well as notable current affairs that have shaped attitudes to politics. Fully updated for its fourth edition, the dictionary has had its coverage of international relations heavily revised and expanded, reflected in its title change, and it includes a wealth of new material in areas such as international institutions, peace building, human security, security studies, global governance, and open economy politics. It also incorporates recommended web links that can be accessed via a regularly checked and updated companion website, ensuring that the links remain relevant.