About Matthew T. Tull Books by Matthew T. Tull The Cognitive Behavioral Coping Skills Workbook for PTSD Overcome Fear and Anxiety and Reclaim Your Life by (author) Matthew T. Tull, Kim L. Gratz & Alexander L. Chapman The Dialectical Behavior Therapy Skills Workbook for Anxiety Breaking Free from Worry, Panic, PTSD, and Other Anxiety Symptoms by (author) Alexander L. Chapman, Kim L. Gratz & Matthew T. Tull