This volume is a Festschrift celebrating the life and work of Donald K. McKim, one of the most significant and widely published scholars in the Presbyterian/Reformed tradition in America today. The contents address a range of topics covering his interests, from the Lord’s Supper, to sermons on the book of Revelation, theological retrieval, Waldensian theology, Early Modern Women, a theology of exile, and John Calvin’s belief that the devil had secret plans to attack French Christianity. Many of these essays focus on the Reformation period, addressing the thought and lives of individuals like Huldrych Zwingli, Heinrich Bullinger, and John Calvin. In addition, the volume also includes a chapter on Vittorio Subilia, the Waldensian pastor. It commences with a fitting encomium to Donald McKim.