Media and Social Inequality: Innovations in Community Structure Research. John C. Pollock, ed. London: Routledge, 2013. 194 pp. $145 hbk.John Pollock's Media and Social Inequality: Innovations in Community Structure Research grew out of a special edition of the journal Mass Communication and Society, also edited by Pollock. Both develop concepts and measurement in struc- ture research, and attempt to move beyond the notion that media serve only as guard dogs for local elite. For Pollock, journalists are deeply connected to the social and economic concerns of their media markets. They are on the side of social change and not merely social control.Media and Social Inequality follows Pollock's 2007 book Tilted Mirrors (Hampton Press), which explicated a model for using community-level data to explain local news coverage. Media and Social Inequality offers thought-provoking and diverse studies of media's context from an impressive lineup of news research- ers. Variation in scholars' approaches reflects variation in the meaning of community Some chapters are consistent with Pollock's approach, assessing the relationship between characteristics and news coverage. Other chapters are rooted in the structural approach of Tichenor, Donohue, and Olien, which conceptualizes news as a consequence of a community's power dis- tribution. Chapters focus on an array of dependent variables: news content, social trust, blog creation, and neighborhood ties are all assessed as possible consequences of structure. Findings vary, depending on conceptualization and measure- ment. Clearly, community structure has many dimensions, and a great deal of the book's value lies in the revelation and comparison of these dimensions.Pollock opens the book with a call for attention to the relationship between com- munity social inequality and news coverage, offering research findings that reveal relationships between characteristics and news coverage of protests. The causal mechanism that leads from characteristics to decisions about news content is a bit obscure-Pollock addresses this relationship more thoroughly in Tilted Mirrors. But Pollock's approach is valuable for bringing to light the multiple ways news reflects characteristics, for providing a method for analyzing these relationships, and for demonstrating that there is more to than power differentiation.Nah and Armstrong's chapter follows with an eye-opening review of the wide- ranging conceptual and methodological paths taken by scholars. They note that the concept of structural may have multiple dimensions-an ethnic pluralism dimension, for example-and they suggest viewing journalism's role in social control and social change on a continuum.In the subsequent two chapters, Yamamoto and Hindman introduce the role that media play in bottom-up organization for change, critical in considering the relation- ship between media and social inequality. …