Friendship is considered to be an essential source of individual happiness by philosophers, psychological theories and researchers for centuries. This is the first book that explicitly focuses on the role of friendship experiences in happiness. The work presented in this volume addresses historical, theoretical and measurement issues in the study of friendship and happiness (e.g., when did the study of friendship and happiness start? Why friends are important for happiness?). Experts from different parts of the world provide in-depth authoritative reviews on the relationship between...