- Fears of a Setting Sun: The Disillusionment of America's Founders
- The Infidel and the Professor: David Hume, Adam Smith, and the Friendship That Shaped Modern Thought
- The Pragmatic Enlightenment: Recovering the Liberalism of Hume, Smith, Montesquieu, and Voltaire
- The Constitution's Penman: Gouverneur Morris and the Creation of America's Basic Charter
- The Problems and Promise of Commercial Society: Adam Smith's Response to Rousseau