Nancy Samalin is the bestselling author of Loving Your Child Is Not Enough, Love and Anger, and Loving Each One Best. She is the founder and director of Parent Guidance Workshops. Samalin was a contributing editor to Parents magazine and is a regular guest on "Good Morning America," "Today," "20/20," and "Dateline NBC."

Catherine Whitney has cowritten numerous award-winning and bestselling nonfiction books.