1) Chinese philosophy 
The Huashu ({zh|s=化书|t=化書|p=Huàshū|w=Hua Shu}), or The Book of Transformations, is a 930 CE Daoist classic about neidan `internal alchemy`, psychological subjectivity, and spiritual transformation. In the description of Poul Andersen, The Huashu is a unique philosophical work of the period of the Five Dynasties, which syncretizes eleme.....