Marvin Folkertsma is a retired professor from Grove City College. He is the author of several books, including Ideology and Leadership, Agony of Survival, Criminal Intent, and The Thirteenth Commandment. Agony of Survival was an alternate selection of the Jewish Book Club and nominated for the National Jewish Book Award. He also is a frequent contributor of op-eds that have appeared in news publications throughout the country. His interests are wide-ranging and include American political institutions, political thought, literature, and American studies generally.