CARLOS CLOSA is Professor of Political Science, University of Zaragoza, Spain.PAUL HEYWOOD is Sir Francis Hill Professor of European Politics, University of Nottingham.

• Introduction: A Framework for AnalysisSpain and Europe: A Historical OverviewThe Internal Sources of EU Policy: Public Opinion, Political Parties and Pressure GroupsInstitutional Adaptation: Re-Shaping Political StructuresTerritorial Politics: The Autonomous Communities and EuropeShaping the Union and Defending National InterestsSources of Tension: The CAP and the CFPEconomic Integration: The Single Market, Competition and EMUSlicing Up the European Cake: EU Budgets and Structural FundsIntergovernmental Co-operation: Foreign Policy and Home AffairsConclusion: The EU as Spain's National Project.