Dr. Grace H. Ketterman, M.D., is the Medical Director of the Crittenton Center in Kansas City, Missouri. She has devoted her life to the care of children, serving for over forty years as both a pediatrician and a child psychiatrist. Dr. Ketterman is the author of several books including The Complete Book of Baby and Child Care, You Can Win Over Worry, How to Teach Your Child About Sex, and Depression Hits Every Family.