Table of Contents

Part 1 The inheritance: from the antecedents to the end of the age of enlightenment; gestation - the congress of Vienna to Versailles; emergence of a new discipline as a result of the First World War; the collapse of the league and the transformation of the discipline; methodological revolutions, the level and unit of analysis, and the issue of paradigms. Part 2 Contemporary trends: post-behaviouralism; realism resurgent; the dimensions of pluralism; structuralism; "Island of Theory". Part 3 Assessment.