What is the essence of Christianity? What qualities and beliefs must be present in a living and life-changing faith? Helping to answer these basic questions, John's letters focus on the three most important parts of the Christian life. With power and simplicity, John draws our attention to what really matters--now and for eternity.

Ron Blankley is pastor of Bethel Evangelical Free Church in Fair Lawn, New Jersey. He is also on the faculty at New York School of the Bible in New York City. He is a graduate of Dallas Theological Seminary.