Ancient Mediterranean Studies, Religion and Culture, Comparative Religious Ethics, History of Christianity, Tragedy
Tragic Posture and Tragic Vision: Against the Modern Failure of Nerve, (Continuum, 1994)
Afterwords: Hellenism, Modernism and the Myth of Decadence (SUNY, 1996)
Symposia: Plato, the Erotic and Moral Value, (SUNY, 1999)
Was Greek Thought Religious? On the Use and Abuse of Hellenism, From Rome to Romanticism, (Palgrave, 2002)
God Gardened East: A Gardener's Meditation on the Dynamics of Genesis, Cascade Books (January 2008).
This Tragic Gospel: How John Corrupted the Heart of Christianity, (San Francisco, CA: Jossey-Bass, 2008)
Winckelmann and the Vatican's First Profane Museum , (Palgrave Macmillan, 2011)
Shrines to the Muse: A "Religious" History of the Modern Public Art Museum, (under review)