Book excerpt: The Handbook of Mass Media Ethics brings together the intellectual history of mass media ethics over the past 25 years. The chapters included summarize existing research and thinking in the field, as well as setting agenda items for future research that is grounded in both philosophy and the social sciences. Each chapter includes a section that summarizes current understanding and research, and contributions come from many of the best minds in the field, including international scholars. Many have worked as journalists, public relations professionals, or advertising practitioners.