Kathy McCoy, Ph.D., is an award winning author of over a dozen books, many of them for or about teenagers. She is a psychotherapist in private practice in the Los Angeles area and also works at UCLA Medical Center. A former columnist for Seventeen and a former editor of'TEENMagazine, she has written many articles for national magazines, newspapers and professional journals such asRedbook, Readers Digest, The New York Times, Family Circle, Woman's Day, Ladies Home Journal, Glamour, TV GuideandThe Journal of Clinical Child Psychology. A popular guest on national television shows, Dr. McCoy has made numerous appearances onThe Today Show, has been featured twice onOprah, and has appeared on a number of other national and local television and radio shows. She has also appeared frequently on the pages ofUSA Todayas an expert on adolescent issues. Charles Wibbelsman, M.D., the award-winning author of four books and the former "Dear Doctor" columnist for'TEENMagazine, is a nationally prominent adolescent medicine specialist. In addition to serving as chairman of the chiefs of adolescent medicine for the Permanente Medical Group of Northern California, he is chief of the Teenage Clinic at Kaiser Permanente, San Francisco and is a clinical professor of Pediatrics at the University of California, San Francisco Medical School. He is also a member of the Committee on Adolescence for the American Academy of Pediatrics. He also has served on the Board of the Society for Adolescent Medicine, on the San Francisco Superintendent of Schools Advisory Committee. He is currently President- Elect of The San Francisco Medical Society. Dr. Wibbelsman is also a popular guest on national television shows, includingThe Today ShowandOprah. He has appeared weekly on San Francisco's KRON television station's, The Morning Show, for several years and frequently appears in medical educational broadcasts for physician training.McCoy, Kathy is the author of 'Teenage Body Book, Revised and Updated' with ISBN 9781578262779 and ISBN 1578262771.