Huang Pilie: the first person to collect books in 500 years;
Gu Guangqi: the first colographer in the Qing Dynasty;
Gu Guangqi & Huang Pilie, known as the golden partners in the editing world
"Gu Xiao Huang's Postscript" is a perfect match, and his book is extremely precious.
Irresponsible historical YY, unpopular little CP.
Conception: