This leading course text and practitioner reference has been extensively revised with 90% new content, covering a broader range of child and adolescent problems in more concise chapters. Prominent authorities provide a comprehensive framework for evidence-based assessment. Presented are methods and tools for developing effective diagnoses and case formulations, building strong treatment plans, monitoring progress, and documenting outcomes. Chapters are packed with practical guidance, handy tables, and sample instruments. Illustrative case material is included.