Old Testament Challenge, Volume 3 is a turn-key program to help everyone in your church understand and apply the Old Testament to their lives. OTC Volume 3 is titled Developing a Heart for God: Life-Changing Lessons from the Wisdom Books. The goal of OTC is to discover the life-changing truths of the Old Testament and how we can apply them to our lives today. Based on Pastor John Ortberg’s OTC series at the New Community services of Willow Creek Community Church, this resource will enable churches to raise the level of biblical literacy and understanding among its congregation.