This therapist guide addresses the treatment of specific phobias and fears. Specific phobias, which refer to fears that are of specific objects or situations and are severe enough to substantially interfere with an individual’s functioning, comprise the most common anxiety disorder. This therapist guide includes a description of the major points from each chapter in the accompanying Mastering Your Fears and Phobias (MYFP) Workbook, as well as the primary information to be conveyed by the therapist and the principles underlying the therapeutic procedures described in each chapter. Also included in this guide are typical questions asked by clients, and issues that may arise in each chapter.