The New Big Book of Christian Mysticism: An Essential Guide to Contemplative Spirituality

The Naked Now: Learning To See As the Mystics See

Everything Belongs: The Gift of Contemplative Prayer

The Enneagram: A Christian Perspective

Strategic Pastoral Counseling: A Short-Term Structured Model, 2nd Edition

There Is No God and Mary Is His Mother: Rediscovering Religionless Christianity

In a Dark Wood: What Dante Taught Me About Grief, Healing, and the Mysteries of Love

The Monk of Park Avenue: A Modern Daoist Odyssey

In Search of Demons: Historic Cases & Firsthand Experiences from Experts & Skeptics Alike

Carlo Acutis: The First Millennial Saint

The Irony of Modern Catholic History: How the Church Rediscovered Itself and Challenged the Modern World to Reform

The Pope's Last Crusade: How an American Jesuit Helped Pope Pius XI's Campaign to Stop Hitler

Nazis of Copley Square: The Forgotten Story of the Christian Front

The Ape in the Corner Office: How to Make Friends, Win Fights and Work Smarter by Understanding Human Nature

The Nature Principle

It's Not Luck: Marketing, Production, and the Theory of Constraints

In A Dark Wood: What Dante Taught Me About Grief, Healing, and the Mysteries of Love

Franklin D. Roosevelt: A Political Life

The Solution Revolution: How Business, Government, and Social Enterprises Are Teaming Up to Solve Society’s Toughest Problems

The Compassionate Achiever: How Helping Others Fuels Success