- Piercing the Veil: Comparing Science and Mysticism as Ways of Knowing Reality
- Nagarjuna: Buddhism's Most Important Philosopher
- Gaudapada: Advaita Vedanta's First Philosopher
- The Heart of Buddhist Wisdom: Plain English Translations of the Heart Sutra, the Diamond-Cutter Sutra, and Other Perfection of Wisdom Texts
- Mysticism Examined: Philosophical Inquiries into Mysticism (SUNY Series in Western Esoteric Traditions)