Assertiveness: The Relaxation and Stress Reduction Workbook Chapter Singles, Edition 6

Martha Davis, PhD, was a psychologist in the department of psychiatry at Kaiser Permanente Medical Center in Santa Clara, CA; where she practiced individual, couples, and group psychotherapy for almost thirty years prior to her retirement. She is coauthor of Thoughts and Feelings, The Relaxation and Stress Reduction Workbook, and Messages.

Elizabeth Robbins Eshelman, MSW, worked for the Kaiser Permanente Health Care Program for thirty-seven years. During her tenure, she was a clinical social worker, hospice director, researcher, health educator, and management development instructor and coach. She is retired and lives in Northern California.

Matthew McKay, PhD, is a professor at the Wright Institute in Berkeley, CA. He is coauthor of The Dialectical Behavior Therapy Skills Workbook, The Relaxation and Stress Reduction Workbook, Thoughts and Feelings, When Anger Hurts, and others. His books combined have sold more than five million copies. He received his PhD in clinical psychology from the California School of Professional Psychology. In private practice, he specializes in the treatment of post-traumatic stress disorder (PTSD) and anxiety. He lives and works in the greater San Francisco Bay Area.