Parenti's writings cover a wide range of subjects: U.S. politics, culture, ideology, political economy, imperialism, fascism, communism, democratic socialism, free-market orthodoxies, conservative judicial activism, religion, ancient history, modern history, historiography, repression in academia, news and entertainment media, technology, environmentalism, sexism, racism, Venezuela, the wars in Iraq and Yugoslavia, ethnicity, and his own early life.[7][8][9] His influential book Democracy for the Few,[10] now in its ninth edition, is a critical analysis of U.S. society, economy, and political institutions and a college-level political science textbook published by Wadsworth Publishing.[11] In recent years he has addressed such subjects as "Empires: Past and Present," "US Interventionism: the Case of Iraq," "Race, Gender, and Class Power," "Ideology and History," "The Overthrow of Communism," and "Terrorism and Globalization."[6]