This textbook gives students a rigorous introduction to the powers of the Scottish Parliament: how it makes laws, how it holds the Scottish Government to account and how its legislation and its actions can be scrutinised and challenged. Fully updated in light of the 2012 and 2016 Scotland Acts and the Independence and Brexit referenda, it looks at how Scotland is governed now and what the future holds for the constitutional relationship between Scotland and the rest of the UK. Essential reading for students of Scots law, legal systems, politics and public policy, as well as legal and political professionals who need an up-to-date guide to how the Holyrood parliament works.