Mysteries of the Unknown Books in Order
The Mysteries of the Unknown series by Time-Life Books includes 33 books.
Publication order
In the order the books were originally released.
Companion & related books
Related titles and editions that sit outside the main numbered order.
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Buy on AmazonYear unknown · Time-Life Books
The book explores places discovered to have been used in the past for sacred rituals and ceremonies of the occult.
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Frequently asked questions
What order should I read the Mysteries of the Unknown books in?
Read them in publication order, starting with the first book.
How many books are in the Mysteries of the Unknown series?
We list 33 books by Time-Life Books .
Where can I buy the Mysteries of the Unknown books?
Each title above links to Amazon. See our affiliate disclosure.
Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted an error? We continuously correct the catalog.