Ronald M. Rapee, PhD, is a professor in the department of psychology at Macquarie University in Sydney, Australia, and director of its Centre for Emotional Health. He has authored or coauthored several books, including Overcoming Shyness and Social Phobia. Ann Wignall, DPsych, is senior clinical psychologist and director of child and adolescent mental health for Northern Sydney Health Service. Susan H. Spence, PhD, is a professor of psychology at Griffith University in Brisbane, Australia. She has published more than one hundred books and academic articles in her field. Vanessa Cobham, PhD, holds appointments in the school of psychology at the University of Queensland and the Mater Child and Youth Mental Health Service in Brisbane, Australia. Heidi Lyneham, PhD, is a clinic director at the Centre for Emotional Health at Macquarie University in Sydney, Australia. An award-winning audio engineer for over forty years, Tom Perkins has expanded his skills to narrating and has more than sixty titles to his credit. He learned by working with the world's best voice talent during his career, and he continues to engineer a variety of projects.