Jonathan Bradley is a consultant child and adolescent psychotherapist in the Adolescent Department at the Tavistock Clinic, where he is the Child Psychotherapy Head. He is the Organising Tutor of the PG Dip/MA in Psychoanalytic Studies offered by the Tavistock Clinic and the University of East London. A two-year Work Discussion Seminar has always played a prominent part in this large course. He is author of 'Coping With Life' (addressed specifically to adolescents). He is the Editor of the revised 'Understanding Your Child' series, published by Jessica Kingsley. He is interested in the processes involved in group learning, and he has worked as a staff member in group relations events, both at the Tavistock and the Leicester Conference. Margaret Rustin is a consultant child and adolescent psychotherapist at the Tavistock Clinic, London, and an Associate of the British Psychoanalytical Society. She has pioneered and supported the extension of training in psychoanalytic observational approaches to training across the United Kingdom and in a number of other countries.