Mandy Bryon (Author) Dr Mandy Bryon is a Consultant Clinical Psychologist and Head of Psychology and Play Services at Great Ormond Street Hospital for Children, London. Mandy has worked as the psychologist for the cystic fibrosis team since 1990. She lectures extensively within the UK and internationally on psychosocial aspects of childhood illness, particularly cystic fibrosis, to professional and parent audiences. Mandy has presented to national and international audiences at cystic fibrosis conferences. Mandy has conducted research into the psychological impact of childhood illness, particularly sibling relationships, adherence to treatment, attachment, eating disorders and body image disturbance in cystic fibrosis and has authored a number of academic papers for peer-reviewed journals.Penny Titman (Author) Dr Penny Titman is a Consultant Clinical Psychologist at Great Ormond Street Hospital for Children and has worked in general and specialist paediatric services, as well as child mental health settings, for over 20 years. She has particular expertise in stem cell transplant and immunology and has published several academic papers in this field. In addition she is the author of Understanding Childhood Eczema, a book for parents of children with eczema, and co-author with Melinda Edwards of Promoting Psychological Well-being in Children with Acute and Chronic Illness.