A clear, comprehensive account of Scottish constitutional law within its UK and European context. It describes and analyses constitutional arrangements while integrating that analysis with a general background to constitutional law and the UK institutions which have a continuing relevance for the government of Scotland. This highly regarded text considers law-making powers for Scotland, the legislative process at Westminster and at Holyrood, the accountability and scrutiny of government, the independence of the judiciary and the role of the courts in interpreting and adjudicating upon constitutional and administrative law questions. The fourth edition has been fully updated throughout and includes: · An update on the Scottish devolution settlement, including the changes made by the Scotland Act 2016 in the field of social security. · A new chapter covering the Brexit referendum, the withdrawal negotiations between the UK and the EU and Brexit litigation - with a particular focus on Brexit's impact on Scottish constitutional arrangements. · Coverage of new case law since the last edition in the area of judicial review and specifically on devolution.