"The book is both timely and welcome."--"Bulletin of the Menninger Clinic""" "Cognitive therapy begins with a conceptualization of the individual and this book offers a valuable insight into the role of intrusive thoughts in a range of disorders. These are important concepts to include in our case conceptualizations."--"Cognitive Behavioral Therapy Book Reviews""" "A comprehensive summary of cognitive theory on intrusive thoughts, with information that will be useful to researcher and clinician alike. It is compelling in its ability to stimulate the reader to think about how the thoughts that underlie disorders are shaped and controlled. Researchers will appreciate the descriptions of research tools and methods. Clinicians will benefit from the ample attention paid to the clinical applications of current theory."--"Psychiatric Services""" "This book is highly recommended for students, clinicians, and academics interested in the nature and cause of UITs in clinical and non-clinical individuals, as well as the treatment options available for various psychological disorders."--"The Psychologist"

David A. Clark, PhD, is a Professor in the Department of Psychology at the University of New Brunswick, Canada. He received his PhD from the Institute of Psychiatry, University of London, England. Dr. Clark has published numerous articles on cognitive theory and therapy of depression and obsessive-compulsive disorders, and is the author of "Cognitive-Behavioral Therapy for OCD "and the coauthor (with Aaron T. Beck and Brad A. Alford) of "Scientific Foundations of Cognitive Theory and Therapy of Depression." Drs. Clark and Beck recently developed the Clark-Beck Obsessive-Compulsive Inventory to assess self-reported severity of obsessive and compulsive symptoms. Dr. Clark has received a number of research grants to study the cognitive basis of emotional disorders, the most recent being a Canadian federal grant to investigate intentional control of unwanted intrusive thoughts. He is a Founding Fellow of the Academy of Cognitive Therapy and an Associate Editor of "Cognitive Therapy and Research."

D.A. Clark, S. Rhyno, Unwanted Intrusive Thoughts in Nonclinical Individuals: Implications for Clinical Disorders. S.A. Falsetti, J. Monnier, H.S. Resnick, Intrusive Thoughts in Posttraumatic Stress Disorder. R.M. Wenzlaff, Seeking Solace but Finding Despair: The Persistence of Intrusive Thoughts in Depression. A.G. Harvey, Unwanted Intrusive Thoughts in Insomnia. A. Wells, Worry, Intrusive Thoughts, and Generalized Anxiety Disorder: The Metacognitive Theory and Treatment. D.A. Clark, K. O'Connor, Thinking Is Believing: Ego-Dystonic Intrusive Thoughts in Obsessive-Compulsive Disorder. A.P Morrison, Psychosis and the Phenomenon of Unwanted Intrusive Thoughts. W.L. Marshall, C.Langton, Unwanted Thoughts and Fantasies Experienced by Sexual Offenders: Their Nature, Persistence, and Treatment. C. Purdon, Unwanted Intrusive Thoughts: Present Status and Future Directions.