Excellent service is the foundation for services marketing, contend Leonard Berry and A. Parasuraman in this companion volume to "Delivering Quality Service." Building on eight years of research, the authors develop a model for understanding the relationship between quality and marketing in services and offer dozens of practical insights into ways to improve services marketing. They argue that superior service cannot be manufactured in a factory, packaged, and delivered intact to customers. Though an innovative service concept may give a company an initial edge, superior quality is vital to sustaining success.