Karen Blair was a Senior Lecturer in Children's Nursing at Canterbury Christ Church University whilst writing this book. She has remained an honorary lecturer at Canterbury since taking up her present post as a nurse practitioner in General Practice in Norwich. She has worked in a wide range of children's services since 1987, in both acute and community, the latter as a health visitor, nurse prescriber and nurse practitioner. She has an MSc in Advanced Paediatric Ambulatory Care, and worked in the UK's first Children's Walk-in-Centre in Liverpool before becoming a lecturer at Canterbury.