I recently attended a Workshop on Eating Disorders which was run by Julia Buckroyd a leading expert on Disordered Eating.
Julia has written a couple of interesting and insightful books on the subject:-
Understanding Your Eating: How To Eat And Not Worry About It: How to eat and not worry about it
Psychological Responses to Eating Disorders and Obesity: Recent and Innovative Work You can find out more about Julia and her approach on her website. I am a child and adolescent psychotherapist (UKCP Registered); a counsellor; arts and play therapist based in Chichester, covering West and East Sussex, Surrey and Hampshire. You can contact me here.