This text provides a broad-based look at development psychology in infancy and the implications for psychotherapeutic practice. The understanding and observation of infancy informs and enriches all areas of psychotherapy and Cathy Urwin is uniquely placed to combine a developmental psychology perspective with a psychotherapeutic one.The text takes a broad historical approach to the field, covering the key thinkers and the impact of their theories on current practice, thus offering an up-to-the minute and appealingly wide-ranging text for trainee and practising therapists. It is also relevant to students on social work, developmental psychology and sociology courses.