Lee Strobel was the award-winning legal editor of The Chicago Tribune and is the bestselling author of The Case for Christ, The Case for Christ Devotional, The Case for Christianity Answer Book, The Case for Faith, The Case for a Creator, The Case for Miracles, and The Miracles Answer Book. With a journalism degree from the University of Missouri and a Master of Studies in Law degree from Yale, Lee has won four Gold Medallions for publishing excellence and coauthored the Christian Book of the Year. Lee is President of the Lee Strobel Center for Evangelism and Applied Apologetics at Colorado Christian University. Visit Lee's website at: leestrobel.com

As Willow Creek Community Church's key evangelism leader for over sixteen years, Garry Poole is the innovator of seeker small groups and a strategist of creative outreach initiatives. Passionate about reaching people for Christ, Garry and his team have trained thousands of leaders to launch seeker small groups in their own settings. His award-winning book, Seeker Small Groups, provides a detailed blueprint for facilitating small group discussions that assist spiritual seekers with investigating Christianity. He also wrote The Complete Book of Questions, a collection of 1001 conversation starters and numerous group study guides including The Three Habits of Highly Contagious Christians; The Tough Questions Series, and Experiencing the Passion of Jesus (with Lee Strobel) to accompany Mel Gibson's film, The Passion of the Christ. In 2005, it became the first discussion guide ever to receive the prestigious Charles "Kip" Jordon Christian Book of the Year award. Garry lives in suburban Chicago.