- The Zen of Seeing: Seeing/Drawing as Meditation (1973)
- The Supreme Koan: Confessions on a Journey Inward (1982)
- Zen and Zen Classics: Selections from R. H. Blyth (1992)
- Zen Seeing, Zen Drawing (1993)
- Fingers Pointing Toward the Sacred: A Twentieth Century Pilgrimage on the Eastern and Western Way (1994)
- The Tao of the Cross, The Oxherding Parable, and the Unkillable Human (1996)
- To Be Human Against All Odds (1996)
- Pacem in Terris: A Love Story (2001)
- What Does It Mean to Be Human?: Reverence for Life Reaffirmed by Responses from Around the World (2001)
- Seeing Venice: An Eye in Love (2002)
- A Passion for Seeing (2003)
- A Zen Book of Hours (2003)
- What Matters: Spiritual Nourishment for Head and Heart (2004)
- The Buddha Eye: An Anthology of the Kyoto School and Its Contemporaries (2004)
- Ode to the Human Face: Seeing/Molding the Human Face as Meditation (2004)
- Messenger of the Heart: The Book of Angelus Silesius (2005)
- The Icon Reborn (2005)