A Divination System. For more than 3,000 years, people have used the famous I Ching oracle, otherwise known as the Book of Changes and it permeates every aspect of Chinese culture. The I Ching has influenced the lives of millions; and now you, too, can be blessed by the dragon (Yin) and peacock (Yang) symbolizing good luck. Understand your past, present, future, ambitions, desires, and your question outcomes. Includes wheel and reference card. Size: 8" x 8" x 3/4" boxed set. Page count: 4.