Night Boat (Up and Down)

"Night Sailing" (volumes 1 and 2) is divided into twenty volumes, divided into twenty parts according to categories. It is written and introduced in the form of entries, and contains more than 4,000 entries. The content includes astronomy and geography, human ethics and archaeology, classics and history, rituals and music, as well as daily treasures, plants and four spirits, three religions and nine streams, and physical alchemy. It is widely collected and covers a wide range. It can be called China's "mini encyclopedia".