This work argues that the 800th anniversary of Magna Carta (in 2015) should be the occasion for a reassessment of the past, present, and future of the UK constitution. It considers a series of historical documents from Anglo-Saxon times onwards - among which Magna Carta is the most prominent - which sought to set out arrangements for the governance of England and later the UK as a whole. The book argues that they comprise a powerful tradition of written constitutional documents, and it stresses the importance of the European dimension to their introduction and content. It then considers the...