Time life mysteries of the unknown 20 book set - vintage

For sale is a giant & vintage collection from Time Life Books titled: MYSTERIES OF THE UNKNOWN These books are all in VERY GOOD to EXCELLENT condition. There is a total of 20 books. If you have any questions or would like additional photos please feel free to ask * Search for the soul * secrets of the alchemist * Mystic places * spirit summoning * dreams and dreaming * ancient wisdom and secret sects * transformations * psychic powers * hauntings * cosmic connections * magical arts * eastern mysteries * earth energies * phantom encounters * power of healing * psychic voyages * the UFO phenomenon * mysterious creatures * mind over matter * visions and prophecies