Many people with substance use disorders have also faced trauma. Written by an addiction specialist, this trauma-informed workbook offers evidence-based skills drawn from dialectical behaviour therapy (DBT), cognitive behavioural therapy (CBT), and harm reduction principles. It helps readers address the root causes of addiction, improve communication, develop self-control, and foster resilience. With practical tools and compassionate guidance, this workbook supports individuals on their journey toward lasting recovery, healing the pain beneath addiction and encouraging positive, sustainable change.