In today's Europe, deep cracks are showing in the system of political cooperation that was designed to prevent the geopolitical catastrophes that ravaged the continent in the first half of the twentieth century. Europeans are haunted, once again, by the specters of nationalism, fascism, and economic protectionism. Instead of sounding the alarm, many conservatives have become cheerleaders for the demise of the European Union (EU). This compelling book represents the first systematic attempt to justify the European project from a free-market, conservative viewpoint. Although many of their criticisms are justified, Dalibor Rohac contends that Euroskeptics are playing a dangerous game. Their rejection of European integration places them in the unsavory company of nationalists, left-wing radicals, and Putin apologists. Their defense of the nation-state against Brussels, furthermore, is ahistorical. He convincingly shows that the flourishing of democracy and free markets in Europe has gone hand in hand with the integration project. Europe's pre-EU past, in contrast, was marked by a series of geopolitical calamities. When British voters make their decision in June, they should remember that while Brexit would not be a political or economic disaster for the United Kingdom, it would not solve any of the problems that the "Leavers" associate with EU membership. Worse yet, its departure from the European Union would strengthen the centrifugal forces that are already undermining Europe's ability to solve the multitude of political, economic, and security challenges plaguing the continent today. Instead of advocating for the end of the EU, Rohac argues that conservatives must come to the rescue of the integration project by helping to reduce the EU's democratic deficit and turning it into an engine of economic dynamism and prosperity. For the author's video on Brexit, see https://www.youtube.com/watch?v=cFReUnO05Fo