The Foundation of Christian Religion: Gathered into Six Principles

Yoga and Christianity: The Secret Doctrine in the Christian Religion

Losing Our Religion: Exploring the Deconstruction of Christianity

Easy Foundations for Christian Living in This Century, by David: What Christians need to Grow Closer to GOD (The Sometimes Difficult Joyride of Christianity)

Religion and Republic: Christian America from the Founding to the Civil War (American Theology Series)