Carl E. Pickhardt, Ph.D., is a published author and psychologist in a private counseling practice. Dr. Pickhardt, whose books include The Everything Parent's Guide to Positive Discipline, Keys to Single Parenting, Keys to Successful Stepfathering, Keys to Developing Your Child's Self-Esteem, Keys to Raising a Drug-Free Child, Keys to Parenting the Only Child, and Parenting the Teenager, is married with four grown children and one grandchild. He lives in Austin, TX.