Inside this book the reader will find the following key resources: * BACKGROUND INFORMATION: a brief history of the UK's involvement with Europe up until Brexit, from joining the "club" to the immediate aftermath of the referendum. Included is polling data, socio-demographic information about who voted and who did not, and the major economic reports published before and after Brexit. * IMPACT ASSESSMENT OF BREXIT: a comprehensive summary of the impact of Brexit on 35 policy domains as defined in the EU acquis, ranging from the four freedoms of the Single Market - free movement of goods, services, capital and persons - to essential matters like companies & competition, financial services, agriculture, transport, energy, science & research, education, consumer protection, external relations, security & defence, and more. * LESSONS LEARNT: an overview of how democratic processes work and whether a referendum is the best medium for making important decisions about a nation's future. This section identifies the winners and losers of the referendum and offers a vision of Britain and the European Union in 2026.