The life, contributions and influence of Donald Winnicott, child psychologist, psychoanalyst and paediatrician are presented in this text. The practical applications to counselling and psychotherapy of Winnicott's detailed and pathbreaking theory of psychological development are explained in detail. Unpublished archival material and interviews with Winnicott's students contribute to this overview of a life which encompassed the treatment of nearly 20,000 children. This text should prove a useful companion to Jacob's "Psychodynamic Counselling in Action" and Draucker's "Child Sexual Abuse", and is suitable for professional and trainee counsellors, psychotherapists, counselling psychologists, clinical psychologists, psychiatrists and social workers, child psychologists and counsellors.