On Guard: Defending Your Faith with Reason and Precision

Living Buddha, Living Christ 20th Anniversary Edition

Stolen Churches or Bridges to Orthodoxy?: Volume 1: Historical and Theological Perspectives on the Orthodox and Eastern Catholic Dialogue

Cold-Case Christianity: A Homicide Detective Investigates the Claims of the Gospels

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

Changing the Church: Transformations of Christian Belief, Practice, and Life

Illuminati: The Secret Society That Hijacked the World (The History of One of the World's Most Notorious Secret Societies)

Catholicism Engaging Other Faiths: Vatican II and its Impact

A History of Religious Ideas, Volume 2: From Gautama Buddha to the Triumph of Christianity

World Christianity as Public Religion

Is the Bible God's Word?

Pathways for Inter-Religious Dialogue in the Twenty-First Century

Jerusalem: One City, Three Faiths

Catholicism Opening to the World and Other Confessions: Vatican II and its Impact

The Great Transformation: The Beginning of Our Religious Traditions