Richard Foster is the founder of RENOVARï¿½ and author of a number of internationally bestselling books including CELEBRATION OF DISCIPLINE and PRAYER. Richard travels throughout the world, speaking and teaching on the spiritual life.
Philip Yancey is a journalist and writer who writes a featured column in Christianity Today. The author of more than a dozen books. He is the recipient of a Christianity Today Book of the Year Award, two ECPA Book of the Year Awards, and eleven Gold Medallions. He lives in Evergreen, Colorado.