1. Introduction 2. The Developmental Psychopathology Perspective 3. Influences and Risks in the Developmental Process 4. Research: Its Role and Methods 5. Classification, Assessment, and Treatment 6. Anxiety Disorders 7. Mood Disorders 8. Conduct Problems 9. Attention-Deficit Hyperactivity Disorder 10. Language and Learning Disorders 11. Mental Retardation 12. Autism and Schizophrenia 13. Disorders of Basic Physical Functions 14. Psychological Factors Affecting Medical Condition 15. Evolving Concerns for Youth