Die Pforten der Wahrnehmung
Aldous Leonard Huxley
Insights and Illusions of Philosophy
Jean Piaget
A First Course in Fuzzy Logic
Hung T. Nguyen & Carol L. Walker & Elbert A. Walker
Textbooks in Mathematics (1)
The Revolution in Education
Mortimer Jerome Adler & Milton Mayer
The Philosophy of John Locke: New Perspectives
Peter R. Anstey
The Four Loves
C. S. Lewis
Genesis Revisited
Zecharia Sitchin
Earth Chronicles (4.5)
Glimpses of Eternity: Sharing a Loved One's Passage From This ...
Raymond A. Moody & Raymond Moody & Paul Perry
The Gnosis of the Mind
George Robert Stow Mead
Gnosis: An Esoteric Tradition of Mystical Visions and Unions
Daniel Merkur
Gnosticism: New Light on the Ancient Tradition of Inner Knowing
Stephan A. Hoeller
God in the Dock
Handbook of Christian Apologetics
Peter J. Kreeft & Ronald K. Tacelli
Happiness Is a Serious Problem: A Human Nature Repair Manual
Dennis Prager
The Hidden Life: Essays, Meditations, Spiritual Texts: The Collected ...
Edith Stein
The Hidden Power of the Blood of Jesus
Mahesh Chavda
Higher Wisdom: Eminent Elders Explore the Continuing Impact ...
Roger Walsh & Charles S. Grob
I Burned for Your Peace: Augustine's Confessions Unpacked
Peter J. Kreeft
In My Own Way
Alan W. Watts
Integral Life Practice: A 21st-Century Blueprint for Physical ...
Kenneth E. Wilber & Terry Patten & Adam Leonard & Marco Morelli
Integral Psychology: Consciousness, Spirit, Psychology, Therapy
Kenneth E. Wilber
Integral Spirituality: A Startling New Role for Religion in ...
The Integral Vision: A Very Short Introduction
An Introduction to Christian Mysticism: Recovering the Wildness ...
Jason M. Baxter
The Joyous Cosmology