This book is a clinician's guide to understanding, diagnosing, treating, and healing complex posttraumatic stress disorder C-PTSD. C-PTSD, a diagnostic entity to be included in ICD-11 in 2022, denotes a severe form of posttraumatic stress disorder PTSD and is the result of prolonged and repeated interpersonal trauma. brThe author provides guidance on healing complex trauma through phase-oriented, multimodal, and skill-focused treatment approaches, with a core emphasis on symptom relief and functional improvement. Readers will gain familiarity with the integrative healing techniques and modalities that are currently being utilized as evidence-based treatments, including innovative multi-sensory treatments for trauma, in addition to learning more about posttraumatic growth and resilience. brEach chapter of this guide navigates readers through the complicated field of treating and healing complex trauma, including how to work with clients also impacted by the shared collective trauma of C