A brief introduction to a few books is enough for you to learn:
Huangdi House Classic, Taiyi Shenshu, Shanhai Classic.
Daoism, river map, Luo Shu and Taiyi.
Zhouyi (including Yijing and Yijing)
Five sons in Qing Dynasty lost their scriptures, and Guo Pu in Eastern Jin Dynasty lost his books.
Keywords ancient and modern book integration, Duke Zhou,
Guiguzi "Guiguzi" and "Yin Fu Qi Jue"
Ao Yu in Tang Yang Junsong's Qing nang Jing Han Long Jing,
Hong Fan Jiu Yu, Zhou Bian Jing
You should look for the best books that have been lost: synopsis of the golden chamber, investigation of Yin Shao's four orders in the northern Wei Dynasty, and palace topography.
Northern Wei Dynasty. Li Daoyuan's Notes on Water Classics
Sui Shu Jingjizhi
Dunhuang Collection "House Classics"
Clear. Gao Jiannan's Collection of Fragrant Zhai Classics
I suggest you start with the Feng Shui books sold by roadside stalls (although there are many false contents), it is still possible to get started. From the shallow to the deep, and then read the books on it at last.