Susan Moore is a developmental social psychologist at Swinburne University Melbourne. Her research focuses on adolescent psychology, risk-taking and the psychology of health and illness. She has published over one hundred refereed journal articles, plus several books and book chapters.Doreen Rosenthal is a developmental psychologist at the University of Melbourne. Her research interests include adolescent psychology, particularly sexuality and sexual health, and the social determinants of health. She has published over one hundred and forty refereed journal articles, several books and many book chapters.

"There is a great need for this book as there is little else that is up-to-date in the area of Adolescent Sexuality. The writing is coherent, easy to follow, and well crafted, and the range of topics covered is excellent." - Shirley Feldman, Director for the curriculum on Children and Society, Stanford University."This is essential reading for anyone interested in young people. It explains current theory well, identifying important areas for future research. The writing style is accessible and difficult concepts such as coercion and manipulation are explained well. The authors draw on key research and have ensured that they are up to date with contemporary findings." – Jenny Pearce, School of Health and Social Sciences, Middlesex University.

• Sexuality in the 21st Century: Adolescents’ Behaviours and Beliefs.  Theoretical Approaches: Not Just What, But Why.  Changing Hormones, Changing Bodies.  Parents and Peers: Shaping Influences.  The Social Context: From Youth Culture to Globalization.  Gender, Sexuality and Romance.  Issues for Gay and Lesbian Adolescents.  Sexually Transmitted Infections: An Increasing Problem.  Having a Baby:  Choices and Outcomes.  When Sex is Unwanted.  Conclusion.

Susan Moore is a developmental social psychologist at Swinburne University Melbourne. Her research focuses on adolescent psychology, risk-taking and the psychology of health and illness. She has published over one hundred refereed journal articles, plus several books and book chapters.Doreen Rosenthal is a developmental psychologist at the University of Melbourne. Her research interests include adolescent psychology, particularly sexuality and sexual health, and the social determinants of health. She has published over one hundred and forty refereed journal articles, several books and many book chapters.

"There is a great need for this book as there is little else that is up-to-date in the area of Adolescent Sexuality. The writing is coherent, easy to follow, and well crafted, and the range of topics covered is excellent." - Shirley Feldman, Director for the curriculum on Children and Society, Stanford University."This is essential reading for anyone interested in young people. It explains current theory well, identifying important areas for future research. The writing style is accessible and difficult concepts such as coercion and manipulation are explained well. The authors draw on key research and have ensured that they are up to date with contemporary findings." – Jenny Pearce, School of Health and Social Sciences, Middlesex University.

• Sexuality in the 21st Century: Adolescents’ Behaviours and Beliefs.  Theoretical Approaches: Not Just What, But Why.  Changing Hormones, Changing Bodies.  Parents and Peers: Shaping Influences.  The Social Context: From Youth Culture to Globalization.  Gender, Sexuality and Romance.  Issues for Gay and Lesbian Adolescents.  Sexually Transmitted Infections: An Increasing Problem.  Having a Baby:  Choices and Outcomes.  When Sex is Unwanted.  Conclusion.

Susan Moore is a developmental social psychologist at Swinburne University Melbourne. Her research focuses on adolescent psychology, risk-taking and the psychology of health and illness. She has published over one hundred refereed journal articles, plus several books and book chapters.Doreen Rosenthal is a developmental psychologist at the University of Melbourne. Her research interests include adolescent psychology, particularly sexuality and sexual health, and the social determinants of health. She has published over one hundred and forty refereed journal articles, several books and many book chapters.

"There is a great need for this book as there is little else that is up-to-date in the area of Adolescent Sexuality. The writing is coherent, easy to follow, and well crafted, and the range of topics covered is excellent." - Shirley Feldman, Director for the curriculum on Children and Society, Stanford University."This is essential reading for anyone interested in young people. It explains current theory well, identifying important areas for future research. The writing style is accessible and difficult concepts such as coercion and manipulation are explained well. The authors draw on key research and have ensured that they are up to date with contemporary findings." – Jenny Pearce, School of Health and Social Sciences, Middlesex University.

• Sexuality in the 21st Century: Adolescents’ Behaviours and Beliefs.  Theoretical Approaches: Not Just What, But Why.  Changing Hormones, Changing Bodies.  Parents and Peers: Shaping Influences.  The Social Context: From Youth Culture to Globalization.  Gender, Sexuality and Romance.  Issues for Gay and Lesbian Adolescents.  Sexually Transmitted Infections: An Increasing Problem.  Having a Baby:  Choices and Outcomes.  When Sex is Unwanted.  Conclusion.