Since ancient times, there have been many schools of geomantic omen, such as Sanhe school, Sanhe school, Gankun national treasure geomantic omen, Jinsuo Guan Yu numerology school and so on. I don't know which genre of Feng Shui you want to learn. Today, Kong Xuan has the highest success rate of geomantic omen, which is deeply loved by Yi scholars. If you want to achieve something in the field of Feng Shui, it is best for all schools of Feng Shui to know better books, including Feng Shui by Qin, The First Book of Learning Feng Shui, Shen Shi Xue,
Well, there are few books on this subject. Generally, they are named after the missing five elements. As long as you learn fortune telling and five elements, it won't be a problem.
Fortune-telling and Wei Zi's number-fighting are both eight characters. Wei Zidou's books are popular in Hong Kong and Taiwan, but few people study Wei Zidou's books in Chinese mainland.