4Dual Diagnosis Workbook is full of exercises which pertain to different areas in the dual diagnosed individuals life which need to be changed or improved on. The exercises are formed in a positive way to improve on the individuals way of looking at their life and behavior. It is to to gently guide the individual to make the necessary changes to make the positive changes where dual diagnosis illnesses have distorted the individuals way of thinking or behaving. Dual diagnosis has affected men and women in all areas of their life. the illnesses have taken away their appropriate judgment in certain areas of their life. The exercises will guide them back to a more positive and constructive way of thinking and behaving for a healthier life.