Translated by Ralph Sawyer. 6"x 9", 294 pg, paperback. This divinatory method uses 12 disks representing Heaven, Man and Earth. Once arranged in 3 rows, one of 125 possible trigrams was revealed. Each trigram is represented by a core oracle describing a situation. Accompanying the practical language of the text is a verse surrounding the meaning of each trigram. Translations of 4 classical commentaries, spanning the 5th to 18th centuries are included.