What kind of book is Yu Li Chao?

Yu Li Chao is a book written by a fool in Qing Dynasty, which was written in Yongzheng period of Qing Dynasty. The creation of this book originated from a legend. It is said that a yogi named "Danchi" took this book out of hell when traveling in hell. However, please note that this information may not be completely accurate, because what we know comes from an uncertain legend, so please keep a critical and cautious attitude when reading.