Timothy Keller is the New York Times bestselling author of The Reason for God, The Meaning of Marriage, The Prodigal God, Jesus the King, and The Prodigal Prophet. Andy Crouch is editorial director for The Christian Vision Project at Christianity Today International and executive producer of Where Faith and Culture Meet, a series of short documentary films on Christians creating "a counterculture for the common good." He is a member of the editorial board of Books & Culture, and a senior fellow of the International Justice Mission's IJM Institute. His writing has appeared in several editions of Best Christian Writing and Best Spiritual Writing. He lives with his family in Swarthmore, Pennsylvania.