Weaving together biography and theology, Robert Letham delves into the life and influence of twelve key figures who have helped shape the church. Gamechangers is a must read for any Christian with an interest in learning the way the church has understood the gospel down through the centuries. Features: Athanasius, Gregory of Nazianzus, Augustine, Charles the Great, Anselm, Thomas Aquinas, Martin Luther, Heinrich Bullinger, John Calvin, John Wesley, J.W. Nevin and Karl Barth.