"The Mystery of the Book of Changes [Folklore Suspense Record]" is a novel that combines suspense, reasoning, Zhouyi culture and folklore thriller elements. It has a total of 100 chapters, each chapter is about 2,000 words. The story centers on a young scholar of the Book of Changes, Li Chenxi, who is involved in a series of bizarre cases by chance. Behind these cases are hidden the profound mysteries of the Book of Changes and ancient folklore. In the process of searching for the truth, Li Chenxi not only had to use the wisdom of the Book of Changes to solve the puzzle, but also faced fears and challenges from unknown forces, and gradually uncovered the conspiracy of a secret organization "The Shadow Society" that spans thousands of years.