The Anxiety and Worry Workbook: The Cognitive Behavioral Solution by Aaron T. Beck and David A. Clark is a self-help guide based on Cognitive Behavioral Therapy (CBT) that teaches practical strategies to manage anxiety and worry through exercises, worksheets, and examples. It helps readers identify triggers, challenge negative thoughts, and face feared situations in manageable steps, covering generalized anxiety, panic, social anxiety, and phobias. The book, now in a revised second edition, serves as both a standalone resource and a companion to therapy.