This volume investigates the theoretical frameworks and operational dynamics of nongovernmental entities within the broader context of political science. The authors, Fred I. Greenstein and Nelson W. Polsby, leverage their extensive academic backgrounds to synthesize complex macropolitical theories. They provide a structured analysis of how non-state actors influence political systems, utilizing a rigorous methodology to categorize the functions and impacts of these organizations.

Experts recognize this work as a foundational text within the Addison-Wesley political science series, often cited for its systematic approach to macropolitical theory. Readers frequently note the academic density of the prose, which serves as a comprehensive reference for students and researchers in the field.