Shyness and Social Anxiety Workbook by Martin M. Antony and Richard P. Swinson
Talking to Anxiety by Claudia J. Strauss
Heal Your Anxiety Workbook by John B. Arden, PH.D.

Books - Anxiety

Anxiety and Phobia Workbook by Edmond J. Bourne and Edward J. Bourne
Little Ways to Keep Calm and Carry On by Mark A. Reinecke, Ph.D.
Keep Calm and Carry On by Mark A. Reinecke, Ph.D.
Depression and Anxiety Workbook by Marra Thomas, PH.D.
What to Do When you Worry too Much by Dawn Huebner Ph.D.