Book excerpt: The Fourth Edition of this highly successful textbook provides a unique and comprehensive introduction to the study and understanding of human relationships. Fresh insights from family studies, developmental psychology, occupational and organizational psychology also combine to bring new perspectives to this thorough survey of the field. Thoroughly updated, with new chapters on: relating difficulty; "small media" technology and relationships, and practical applications, the Fourth Edition offers a fully up-to-date and authoritative review of the field.