Spiritual

The education of Uncle Paul

The Phantom World; or, The philosophy of spirits, apparitions, &c, &c

The Romance of the Soul

A Series of Lessons in Gnani Yoga: The Yoga of Wisdom

The Power of Concentration

The Way of Peace

Illusion Human

King Archibald and the Gefühlsmonsters

Naikan – The World of Introspection

The Key to Success

The Art of Money Getting

The New Master Key System (Library of Hidden Knowledge)

Rules for Mavericks

From Comets to Cocaine

The Stupendous Story of Us

The Michael Prophecy and the Years 2012–2033

Bees and the Ancient Mysteries

The Coronavirus Pandemic

Dementia

Demons and Healing