Were mid-Tudor evangelicals roaring lions or meek lambs? Did they struggle with a minority complex, or were they comfortable with their position of political ascendancy under Edward VI? How did their theological blueprint of the ‘True Church’ fit their temporal realities? By relocating the Book of Common Prayer at the centre of the English Reformation, Stephen Tong gives new significance to two underacknowledged drivers of reform: ecclesiology and liturgy. Edwardian reformers caused a sensation in England by engaging with these questions, which spilled over into Ireland, and continued to cast a shadow over subsequent generations of the English Protestants.