This document provides an overview of several books related to ufology and the I Ching. It discusses Marc Du Pré's essay on the I Ching and crop circles. It then shares passages from Mirjam Masen's books on The I Ching Teacher and The Return of Quetzalcoatl. The document discusses using the I Ching for psychological analysis and proposes that it can be developed as an exact science. It also describes an experiment where the author successfully predicted the exact date and time an apple would fall from a tree using the I Ching.