The Interest Group Society

The Interest Group Society, 6th Edition, is a political science textbook by Jeffrey M. Berry and Clyde Wilcox that analyzes interest groups through the framework of democratic theory. The text explores how organized interests operate within the broader context of the American political system.

The volume covers traditional farm, labor, and trade associations alongside citizen groups, public interest organizations, corporations, and public interest firms. It examines key areas of political activity, including mobilization, grassroots lobbying, political action committees, and representation bias.

Designed for flexibility across diverse course settings, the concise volume can serve as a standalone centerpiece text or complement other assigned readings. The 2018 edition includes 16 black-and-white illustrations.