Kenneth R. Ginsburg, MD, MS Ed, FAAP, is a professor of pediatrics in the division of adolescent medicine at The Children's Hospital of Philadelphia and the University of Pennsylvania School of Medicine. He is also director of health services at Covenant House Pennsylvania and the author of Raising Kids to Thrive, Letting Go with Love and Confidence, and Reaching Teens. He is the father of two daughters and lives in Philadelphia, PA. Martha M. Jablow has written extensively on parenting and health as the author of several books and articles.