in 1994 wiley published worrying: perspectives on theory, assessment and treatment, edited by davey and tallis. this book builds on that volume (but is not a second edition). expanded and restructured, with a new co-editor and team of contributors, it will be of more clinical relevance than that original book. it will include recent advances in our understanding of pathological worry processes, such as wells metacognitive model, as well as new treatment approaches and assessment instruments. part of the wiley series in clinical psychology, the book will offer a complete overview of the area of worry in a single volume. it will be divided into 4 sections: the nature of worry, theories of chronic and pathological worry, assessment of worry, and treatment methods.