Michael Riera, Ph.D., has worked in education since 1980. The author or co-author of four other popular parenting books including Field Guide to the American Teenager and Uncommon Sense for Parents of Teenagers, he is the family and adolescent correspondent on "The CBS Early Show." He has also appeared on "Oprah," "Today," "The View," and "48 Hours." He lives in Berkeley, California. Joseph Di Prisco, Ph.D., is an educator and writer who has taught for more than twenty years in public, independent, and Catholic schools, middle school through college. He lives in Berkeley, California.

Michael Riera, Ph.D., has worked in education since 1980. The author or co-author of four other popular parenting books including Field Guide to the American Teenager and Uncommon Sense for Parents of Teenagers, he is the family and adolescent correspondent on "The CBS Early Show." He has also appeared on "Oprah," "Today," "The View," and "48 Hours." He lives in Berkeley, California. Joseph Di Prisco, Ph.D., is an educator and writer who has taught for more than twenty years in public, independent, and Catholic schools, middle school through college. He lives in Berkeley, California.