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The 'Occult Trilogy' is the collective label applied to Colin Wilson's three major works on the occult: The Occult (1971); Mysteries: an Investigation into the Occult, the Paranormal and the Supernatural (1978) and Beyond the Occult (1988).
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.