Book excerpt: Please click on the Companion Website link above or visit www.routledge.com/cw/morgan to access the companion workbook, Changing Lives, Changing Outcomes: A Treatment Program for Justice-Involved Persons with Mental Illness. A Treatment Manual for Justice Involved Persons with Mental Illness comprises a comprehensive and structured treatment manual that provides clinicians a guide for treating justice involved persons with mental illness. The manual includes a treatment plan for each session with specific structured exercises (for both in-group and out of group work) designed to teach objectives each session. The program incorporates a psychosocial rehabilitation model, social learning paradigm and cognitive-behavioral model for change, although cognitive behavioral theory is more prevalent and apparent throughout the manual. Additional training on Changing Lives and Changing Outcomes: A Treatment Program for Justice-Involved Persons with Mental Illness is available at https://www.gifrinc.com/clco.