This volume comprises the proceedings of a conference of the same title and some additional chapters on the topic by staff members from the Brent Adolescent Centre. Characteristic of this format, that is, the transcription of oral presentations beefed up with some additional papers, there are almost no references and no literature reviews. Thus a huge disservice is done the book and its extremely serious and important topic. One is left with the impression of a hastily assembled collection of papers of varying interest but of relatively little scholarly importance. Although there are useful and thought-provoking points in some of the contributions, I was left frustrated by the failure to place the findings in the context of other studies of this subject. A related shortcoming is the brief bibliography, with only one reference after 1968 not