Let's take a look at Shao Weihua's four-column prediction (also called four-column genetics), mainly to understand some simple numerology knowledge.
Let's look at the original numerology of predecessors, including Zi Quan, Mu Zhengyi, Poor Jane and Ming Draft.
After reading these five books, the eight characters will have a foundation.
What you want to read depends on what you are interested in. For example, you can read all kinds of books, such as "San Yuan Lian Hui" and "Yuan Hai Zi Ping".