Kundalini Awakening and Yoga Sutras of Patanjali: Four Books in One. A Complete Guide to Develop Your Inner Potential Marius K. Green
Third Eye Awakening and Clairvoyance: Four Books in One. A Complete Guide to Get to Know Yourself Through the Sixth Chakra Marius K. Green
Lucid Dreaming and Astral Projection: Four Books in One. A Complete Guide to Travel While Unconscious Marius K. Green