Synthesizing the latest research and theory with compelling narratives and case vignettes, this book explores the development of emotional competence in school-age children and young adolescents. Saarni examines the formation of of eight key emotional skills in relation to processes of self-understanding, socialization, and cognitive growth. Tracing the connections between emotional competence, interpersonal relationships, and resilience in the face of stress, the book also explores why and what happens when development is delayed.