They make a compelling case in Brexitland that Brexit was the expression of deep-seated conflicts within the British electorate that had been building for decades. Pressures that had been accumulating for a long time were given sudden release in June 2016. “The fuel for a wildfire gathers on the forest floor for season after season before the transformational spark arrives.” Different groups of voters with conflicting interests “finally recognised themselves as two distinct and opposing camps”. “Two tribes” went to war over identity, diversity, immigration, culture and globalisation on the battlefield called Brexit. Theirs is a highly acute and insightful analysis, making telling use of extensive research, which induces the reader to think afresh about the political landscape we now find ourselves in and how we arrived here.