"Vos and Hanitzsch have written the definitive book on journalistic roles. Equipped with encyclopedic knowledge of journalism studies, they offer a comprehensive and persuasive analysis, with plenty of examples, nuance, and analytical heft. Their framework provides a useful set of categories to organize a rich field of inquiry."Silvio Waisbord, George Washington University"At a time of dramatic transformation and challenges, the social roles of journalists are both more important and more complex than ever. In this book, Vos and Hanitzsch bring together their unsurpassed theoretical and empirical expertise to deliver this instant classic: A magisterial, rigorous, and engaging account across time and place, providing a coherent vocabulary to talk about journalism studies' most vital questions."Karin Wahl-Jorgensen, Cardiff University