Ralph Earle served as professor emeritus of New Testament at Nazarene Theological Seminary in Kansas City, Missouri, where he first began teaching in 1945. He served on the Committee on Bible Translation, which is the governing body for the New International Version of the Bible. Earle earned degrees from Eastern Nazarene College, Boston University, and Gordon Divinity School. He also took post-doctoral courses at Harvard and Edinburgh Universities. Dr. Mark Laaser has ministered to hundreds of sex addicts and their families, consulted with numerous churches, developed treatement programs for a variety of hospitals, and has conducted workshops and seminars worldwide. His first book, Healing the Wounds of Sexual Addiction, was the first Christian book to address the issue of sexual addiction. He has since written six other books including, Talking to Your Kids About Sex and The Pornography Trap. Dr. Laaser holds a PhD in Religion and Psychology from the University of Iowa, a Master of Divinity from Princeton Theological Seminary, and a Bachelor’s degree in Religion and Philosophy from Augustana College in Rock Island, Illinois. He is currently an adjunct faculty member of Denver Theological Seminary, Fuller Seminary, and the Psychological Studies Institute.