Peter Cooper is emeritus professor of psychology at the University of Reading. His academic research has focused on two main areas: the nature and treatment of disorders of eating; and the impact of psychological problems on parenting and child development. In recent years he has directed most of his professional attention to ways of supporting parents living in conditions of adversity - especially in parts of Africa - as a means of improving child developmental outcomes. For ten years, while a lecturer at the University of Cambridge, he ran an NHS clinic for people with bulimia nervosa. Arising from this experience he wrote a book - essentially a self-help manual - entitled Overcoming Binge-eating and Bulimia Nervosa . The current book is an edited update of this original work. In 2016, in recognition of his contribution to academic and professional psychology, he was made a fellow of the British Academy. Patricia Graham is an honorary professor (Strathclyde University), consultant clinical psychologist and director of psychological services in NHS Lanarkshire, Scotland.

She has nearly thirty years' experience working in the field of adult mental health and is a practitioner, supervisor and trainer for different modalities of psychological therapy. She holds degrees in psychology (BSc Hons), clinical psychology (DClinPsychol) and Scots law (LLB). Professor Graham is chartered with the British Psychological Society (BPS) as an associate fellow and is the joint chief national assessor for the profession of psychology for the UK, on behalf of the BPS and ACP (Association of Clinical Psychologists) and lead national assessor for Scotland. She is an expert witness and currently is an advisor and mentor to Insight Works Training, operated by Kings View Chambers (medical defence barristers). Patricia published Overcoming Anorexia Nervosa (2019) with the late Professor Chris Freeman, and is the series editor and co-author for the Cambridge Guides to Psychological Therapies.