The book is a compilation of various theories rather than strictly a simple record of his original mystical experience .
Bucke 's magnum opus was his book Cosmic Consciousness : A Study in the Evolution of the Human Mind .
The book is a compilation of various theories rather than strictly a simple record of Bucke 's original mystical experience .
Bucke 's magnum opus was his book Cosmic Consciousness : A Study in the Evolution of the Human Mind .