The Anxiety and Worry Workbook: The Cognitive Behavioral Solution by David A. Clark & Aaron T. Beck New York: The Guilford Press (book available to purchase in Australia from Footprint Books), 2011ISBN: 978-1-60623-918-6, 326 pp. Paperback. Price: US$18.66 View this article: The Anxiety and Worry Workbook: The Cognitive Behavioral Solution by David A. Clark & Aaron T. Beck New York: The Guilford Press (book available to purchase in Australia from Footprint Books), 2011ISBN: 978-1-60623-918-6, 326 pp. Paperback. Price: US$18.66