What kind of book is Zhouyi?

Zhouyi is one of the classics of divination, and it is an important work to study the history, thought and culture of the pre-Qin period. It includes the Book of Changes and the Book of Changes. The Book of Changes was partly produced in the late Shang and early Zhou Dynasties, and it originated from people's prayers and divination to God. There are ten books in the Book of Changes, which are explained and discussed.

The Book of Changes is not only used for divination, but also often cited as the basis of reasoning, which shows the philosophy of society and life and reveals the law of the occurrence, development and transformation of the opposition of all things in the universe.