Think you know the Reformation? A monk, a hammer, a church door. But that’s just the spark. In this masterful history, Diarmaid MacCulloch unpacks the continental firestorm that followed—an explosive mix of faith, politics, and revolution that shattered Christendom and forged the modern world. Journeying from Lisbon to Transylvania, this epic, award-winning account reveals the full, complex, and often shocking story of how our world was born. It is the definitive history of an age that forever changed how we think about God, power, and ourselves.