Not another book about statistics? Yes and no. This book is unique in being written for people who want to be able to make sense of published studies or embark on their own studies without getting bogged down by the details of how to use specific methods. It gives insight into how statisticians view data and research and into what they do. This book is virtually formula free and it does not describe the mechanics of techniques but is packed with ideas and examples. It describes how statisticians use data and provides a thorough explanation of statistical concepts in the context of real studies to enable the reader to make informed judgements. Invaluable for those involved in research it shows how to combine formal results with common and clinical sense.