Derek Walters
The well-known ,I Ching, was originally only one of several works that formed the ,Ta Pu,, the Grand Oracle. It has long been thought that the ,I Ching,'s companions had been destroyed, but now, after 2000 years, one of those lost works, through the ,T'ai Hsuan Ching, has been rescued from oblivion.
The T'ai Hsuan Ching: The Hidden Classic