About the Author
Eric Geiger is vice president of the Church Resources division at LifeWay Christian Resources. He is also co-author of the best seller Simple Church with Thom S. Rainer.
Michael Kelley is director of Discipleship at LifeWay Christian Resources. His previous written works include Holy Vocabulary, The Tough Sayings of Jesus, and Wednesdays Were Pretty Normal.
Philip Nation is director of Ministry Development with LifeWay Research. He co-edited The Mission of God Study Bible and co-authored Compelled by Love with Ed Stetzer.