Becoming A Student of Influence Enroll your 14- to 19-year-olds in Strack's powerful program and they'll be equipped to influence others and make a difference in their world! By digging deep into God's Word, students will discover the fundamental elements of strong leadership; and learn the importance of moral courage, selflessness, honesty, dependability, enthusiasm, initiative, preparation and endurance. 128 pages, softcover from Nelson.