Stefanie Stahl is a clinical psychologist and the bestselling author of more than ten books. She has had her own psychotherapy practice in Germany for more than twenty-five years and conducts seminars about self-esteem, love, and the fear of commitment. The Child in You has sold more than three million copies in Germany, where it has been the #1 bestselling nonfiction book for eight consecutive years, and has been translated into more than forty languages.