- The Community of Interpreters: On the Hermeneutics of Nature and Bible in the American Philosophical Tradition (Studies in American Biblical Hermeneutics)
- Ecstatic Naturalism: Signs of the World (Advances in Semiotics)
- An Introduction to C. S. Peirce
- A Semiotic Theory of Theology and Philosophy
- Riding the Windhorse: Manic-Depressive Disorder and the Quest for Wholeness












