Pneumatology: A Guide for the Perplexed

The Road Less Travelled: A New Psychology of Love, Traditional Values and Spiritual Growth

The Cost of Discipleship

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

Pentecostalism as a Christian Mystical Tradition

Transcending the Levels of Consciousness: The Stairway to Enlightenment

The Marks of Scripture: Rethinking the Nature of the Bible

Summa Theologica (All Complete & Unabridged 3 Parts + Supplement & Appendix + interactive links and annotations)

Hosea

Fear and Trembling

Buddhist Stories Volume 1

On the Way to Krishna

NKJV, Daily Bible: Read the Entire Bible in One Year

The Buddhist Perspective on Life