A Quarter Century of Value Inquiry: Presidential Addresses of the American Society for Value Inquiry

Know Thyself: An Essay on Social Personalism

Happy Lies: How a Movement You (Probably) Never Heard Of Shaped Our Self-Obsessed World

Knowing God

God and Money: How We Discovered True Riches at Harvard Business School

Philosophy of Religion: Towards a More Humane Approach

God, Greed, and the (Prosperity) Gospel: How Truth Overwhelms a Life Built on Lies

Islamic Law and Ethics

Understanding the Iglesia Ni Cristo: What They Really Believe and How They Can Be Reached

The Doctrines That Divide: A Fresh Look at the Historic Doctrines That Separate Christians

Lady in Waiting: Becoming God's Best While Waiting for Mr. Right

The Journey: Living by Faith in an Uncertain World

Let's Do Theology: Resources for Contextual Theology; completely updated and revised, Edition 2

Five Proofs of the Existence of God

Why I Believe: Straight Answers to Honest Questions about God, the Bible, and Christianity

Scripture Alone: Exploring the Bible's Accuracy, Authority and Authenticity