The Masters and the Path

The Science of the Sacraments

Proof of Heaven: A Neurosurgeon's Journey into the Afterlife

Invisible Helpers: The Great Helpful Agencies of Nature

The Case for a Creator: A Journalist Investigates Scientific Evidence That Points Toward God

Foundational Falsehoods of Creationism

Invisible Helpers

The Varieties of Scientific Experience: A Personal View of the Search for God

The Hidden Side of Things

Spiritual Science: Why Science Needs Spirituality to Make Sense of the World

A Textbook of Theosophy

Buddha and Prince Siddhartha Buddha

Australia and New Zealand As the Home of a New Sub-Race

Seven Days that Divide the World, 10th Anniversary Edition: The Beginning According to Genesis and Science, Edition 10

Christian Gnosis

Why Evolution Is True

Vegetarianism and its occult meanings

Our Awesome Universe Potential

An Outline of Theosophy