"... The I Ching is an influential text read throughout the world, providing inspiration to the worlds of religion, psychoanalysis, business, literature, and art..." (WikipediA).

What the I Ching actually is, is best described by the sinologist Richard Wilhelm in his Introduction to the I Ching.

The psycho-analytical aspects and effectiveness of the, so called, Book of Changes are examined and convincingly demonstrated by the renowned psychologist C. G. Jung, in his Forward to the I Ching.

IGing's Presentation of the I Ching is based on the English rendition by Cary F. Baynes.  The original translation from Chinese to German was accomplished by Richard Wilhelm.