This an updated edition of an authoritative textbook that places the law in its context. It examines Brexit, referendums, evolving devolution and dramatic political events of 2019 and their impact on the traditional understanding of the Westminster Constitution. It also analyses the two recent constitutional decisions of the Supreme Court.

Alison Young is the Sir David Williams Professor of Public Law at the University of Cambridge. She has taught constitutional law and administrative law for over 20 years at both Oxford and Cambridge. She regularly appears on the media commenting on constitutional developments, including BBC and Sky News, The Briefing Room and Law in Action, and also appears before parliamentary committees on issues of public law. She co-edits the UKCLA blog and is a trustee of the Constitution Society. Her other publications include Democratic Dialogue and the UK Constitution (2017).

Part I. Constitution, State and Beyond: 1. The British Constitutional Order; 2. The Ideas of the Constitution; 3. Constitutional Sources; 4. Devolution and the Structure of the UK; 5. The European Dimensions; Part II. Government: 6. Crown and Government; 7. The Powers of Government; 8. Parties, Groups and the People; 9. Parliament and the Responsibility of Government; 10. The Courts: Judicial Review and Liability; 11. Liberty and the Constitution.