This examination of the history, development, activities, successes, and limitations of the largest membership organization in the country will be of interest to anyone who belongs to or is curious about this sometimes-controversial group.

• Examines AARP's growth from small service organization to a political powerhouse

• Scrutinizes the relationship between AARP's political activities and its commercial enterprises

• Explains how AARP has become a major player in Washington, even without a PAC for campaign contributions

• Explores AARP's moderating influence in an increasingly polarized political landscape, despite political attacks from both right and left

• Looks at the role of incentives and local chapters in recruiting and mobilizing the organization's massive membership base

• Provides an up-to-date account of AARP's political activities in the wake of its support for the Affordable Care Act