Where can I buy eight-character physiognomy classics?

Eight-character physiognomy classics can be purchased from Taobao, Pinduoduo and other commodity trading platforms. According to the inquiry, Taobao and Pinduoduo and other trading platforms sell eight-character physiognomy classics. Eight-character physiognomy classic, also known as eight-character numerology book, is a theoretical book to study the good and bad luck of birth. There is no scientific basis. This answer is for reference only. Don't be blindly superstitious.