Robert Wolgemuth has been in the book publishing business for over forty years. A former president of Thomas Nelson Publishers, he is the founder of Wolgemuth & Associates, a literary agency representing the work of more than two hundred authors.

Robert is known as a relentless advocate for God''s Word and a champion for the family, effective communication, leadership, listening skills, relationship building, and biblical truth.

A graduate of Taylor University, from which he received an honorary doctorate in May 2005, Robert has two grown daughters, two sons-in-law, five grandchildren, and one grandson-in-law. He and his wife, Nancy, live in Southwest Michigan.

Mark DeVries is pastor of youth and families at First Presbyterian Church in Nashville, Tennessee, where he has served for the past seventeen years. In addition to authoring several books, including Family-Based Youth Ministry and True Love Waits, he is founder of Youth Ministry Architects (www.ymarchitects.com), a strategic-planning service for churches facing transitions in their youth ministries. He and his wife, Susan, live in Nashville.

Bobbie Wolgemuth was a Bible teacher and the author or co-author of several books, including Mom’s Bible: God’s Wisdom for Mothers and the four-book Gold Medallion bestselling series Hymns for a Kid’s Heart with Joni Eareckson Tada. She is also the coauthor of Couples of the Bible with her husband, Robert.

Susan DeVries has made a career out of being a wife, mother, and supervising editor of every word Mark has ever written. Over the past twenty-three years, Susan has partnered with Mark in providing premarital counseling and leading marriage retreats and classes for couples. Mark and Susan have three children and live in middle Tennessee.