- Ayn Rand and the American Founding Fathers: A Dialogue on Man's Rights by John Ridpath.
- Ayn Rand: Friends and Family, 1926-51 by Scott McConnell.
- To the Empire! A Vindication of Colonialism by Robert Tracinski.
- The Failure of the Homeland Defense: The Lessons of History by John Lewis.
If you want to "chew" fundamental ideas and get proof on why you need a rational philosophy, read Diana Hsieh's post, Who Knew? [via Mark Wickens] and Noumenalself's post, Another heretic is created.
UPDATE 08/20/04: Read Nicholas Provenzo's (The Rule of Reason) post, The Evolution of Diana Hsieh.