This book teaches students in counseling, psychotherapy, and clinical psychology how to develop the case conceptualization and treatment planning skills necessary to help clients achieve change. Author Pearl S. Berman provides client interviews and sample case studies in each chapter along with detailed steps for practice and developing treatment plans. Chapters conclude with questions that engage students in critical thinking about the complexity of human experiences. The updated and expanded Fourth Edition includes cutting-edge issues in trauma-informed care; responsiveness to development across the lifespan; integration of issues relevant to intersectionality of oppression; and evidence-based practice.