For 10 points, name this classic Chinese text whose 64 hexagrams are often used for divination.
Joachim Bouvet's letter to Leibniz detailing the contents of this work convinced the latter that it prefigured his own ideas about binary calculus. In his introduction to Richard Wilhelm's version of this work, Carl Jung claimed that its main use was as a method of exploring the unconscious and that it works via synchronicity. Philip K. Dick used this work to help determine some plot elements in The Man in the High Castle, in which it is used as a source of moral authority. The Ten Wings are a set of commentaries on this work, which was used by (*) John Cage to compose some pieces. The contents of this work can be arranged in patterns named for a man who helped create it, King Wen. The original method of using it, which involved casting yarrow stalks, was discarded during the Han Dynasty in favor of one using three coins. For 10 points, name this classic Chinese text whose 64 hexagrams are often used for divination.
Joachim Bouvet's letter to Leibniz detailing the contents of this work convinced the latter that it prefigured his own ideas about binary calculus.
I Ching [or Book of Changes or Classic of Changes or I Jing or Yi Ching or Yi King or Yi Jing]