Universal Spirituality and Human Physicality: Bridging the Divide: The Search for the New Isis and the Divine Sophia

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

On Guard: Defending Your Faith with Reason and Precision

An Outline of Occult Science

Goetheanism: An Impulse of Transformation and Resurrection

Wicca: A Guide for the Solitary Practitioner

Theosophy

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

On Epidemics: Spiritual Perspectives

Illuminati: The Secret Society That Hijacked the World (The History of One of the World's Most Notorious Secret Societies)

Life Between Death and Rebirth

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

Theosophy (Translated): Introduction to the supersensible knowledge of the world and human destiny

Is the Bible God's Word?

Knowledge of the Higher Worlds and Its Attainment

The Incarnation of Ahriman: The Embodiment of Evil on Earth

The Holy Science

The Four Temperaments

Faith Is for Weak People: Responding to the Top 20 Objections to the Gospel