Edward T. Walker is Assistant Professor of Sociology at the University of California, Los Angeles. His scholarly interests include social movements, organizations, public participation, and the political mobilization of firms and industries. His research has been published in the American Sociological Review, the American Journal of Sociology, Social Problems, Public Opinion Quarterly, and Business and Society, and has been supported by the National Science Foundation, the Robert Wood Johnson Foundation and the American Sociological Association. His commentaries have appeared in The New York Times, The Huffington Post and Contexts magazine.

• Acknowledgements; Part I. Sources: 1. Grassroots from the top down; 2. Defining the field and its implications; 3. The formation of a grassroots industry; Part II. Structure: 4. Methods for mobilizing the public; 5. Corporate grassroots; 6. Outsourcing advocacy? Consulting for associations; Part III. Outcomes: 7. Participatory and policy impacts; 8. Conclusion; Appendix; Bibliography.

'Using a mix of sociological and political science literature and sophisticated methodology, Walker provides numerous cases studies and empirical evidence that many seemingly citizen-initiated campaigns are really orchestrated by funding from corporations and interest groups seeking to benefit … The examples and data are current and help 'pull back the curtain' to expose a political marketplace in which many ideas and measurements of support receive significant subsidies. The next time an advocate says 'the people have spoken', some skepticism should emerge … Summing up: recommended.'Endorsements - A New History S. E. Frantzich, Choice