20 Years at Hull House

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

The Spirit of Youth and the City Streets

The Cost of Discipleship

A New Conscience and an Ancient Evil

A Concise History of the Catholic Church (Revised Edition)

The Mayflower in Britain: How an icon was made in London

The Gnostic Bible: Revised and Expanded Edition

Democracy and Social Ethics and Democracy or Militarism

Beyond Belief: The Secret Gospel of Thomas

Peace and Bread in Time of War

Becoming Divine: An Introduction to Deification in Western Culture

What It Means to Be Protestant: The Case for an Always-Reforming Church

Discovering the Book of Changes - a Journey

Signs of Life: 40 Catholic Customs and Their Biblical Roots

Women at the Hague: The International Peace Congress of 1915

Challenging the Traditional Interpretations of Justification by Faith, Part 1

Saint Athanasius, the Father of Orthodoxy

The Great Heresies

Theology of the New Testament: A Canonical and Synthetic Approach