**Paul Glasziou *is Director of the Centre for Evidence Based Medicine University of Oxford and editor of the journal Evidence Based Medicine (BMJ Publishing Group).Chris Del Maris Dean of the Faculty of Health Sciences and Medicine, Bond University and Associate Editor of Evidence Based Medicine *.

**Paul Glasziou *is Director of the Centre for Evidence Based Medicine University of Oxford and editor of the journal Evidence Based Medicine (BMJ Publishing Group).Chris Del Maris Dean of the Faculty of Health Sciences and Medicine, Bond University and Associate Editor of Evidence Based Medicine *.

Janet Salisbury is Director of Biotext and responsible for the book's high quality design.