Yi Mao (Free Public Edition Book)

"Liangyu Ziyuanru, a native of Shexian County. All discussed in this book are the method of substituting money for water chestnuts. It is said in the preface that when Ming died at the age of five, he studied divination, and initially wrote 50 chapters on the divination category. During Kangxi's reign, Ji Mao was in Chu, and when he met the old man Kupo, he learned his secret decree, so it was added to 90 chapters."