Laurence Steinberg, PhD, is considered to be the world's leading authority on adolescence and young adulthood. He currently is the Distinguished University Professor and Laurel H. Carnell Professor of Psychology and Neuroscience at Temple University. In addition to authoring the leading college textbook on adolescence, just published in its thirteenth edition, Larry has authored or coauthored nearly 500 scholarly articles on adolescence as well as seventeen books. His trade books include The 10 Basic Principles of Good Parenting, which has been translated into ten other languages; You and Your Adolescent; and most recently, Age of Opportunity: Lessons from the New Science of Adolescence, which has been translated into seven other languages.