Jiang Yuanming's digital divination and Yang Zhai Feng Shui can be bought in Taobao and Tmall flagship stores. In order to ensure the quality of goods, it is recommended to buy them through official channels.
Jiang Yuanming's Digital Divinity and Yang Zhai Feng Shui were published by Shantou University Press. For the record, the answer is for reference only. Please don't be blind and superstitious.