Introduction PART ONE: THE RE-EMERGENCE OF INTERVENTION Major Themes in Intervention Status of Intervention in the Early to Mid-1980s Developments in Intervention since 1984-1985 Meta-Analyses and Literature Reviews Intensive Supervision in Probation and Aftercare PART TWO: INTERVENTION IN THE 1990s AND BEYOND Challenges of the Coming Decades Broader Perspectives for Serious Young Offenders Developmental Factors Further Observations and Issues Appendix A An Intensive Supervision Study Appendix B The CaVIC Study Further Details Appendix C Aspects of Developmental-Adaptation Theory Appendix D Implications of Differential Representation