Joe Rigney (MA, Bethlehem College and Seminary) is assistant professor of theology and Christian worldview at Bethlehem College and Seminary in Minneapolis, Minnesota. He is the author of Live Like a Narnian: Christian Discipleship in C.S. Lewis's Chronicles and The Things of Earth: Treasuring God by Enjoying His Gifts. He lives in Minneapolis with his wife and two sons. Stephen J. Nichols (PhD, Westminster Theological Seminary) serves as the president of Reformation Bible College and chief academic officer of Ligonier Ministries. He is an editor of the Theologians on the Christian Life series and also hosts the weekly podcast 5 Minutes in Church History. Justin Taylor (PhD, The Southern Baptist Theological Seminary) is the executive vice president of book publishing and book publisher at Crossway. He has edited and contributed to several books including A God-Entranced Vision of All Things and Reclaiming the Center, and he blogs at Between Two Worlds-hosted by the Gospel Coalition.