The classic work by one of the founding fathers of consciousness research

A pioneering and revolutionary book that lays the foundation for a radical new psychology, based on an expanded cartography of the human unconsciousness. Famous for his lifelong research into psychedelic drugs, Dr. Grof constructs a comprehensive and helpful framework out of the broad range of experiences triggered by LSD in patients and research subjects. Current research into the brain and ways of expanding consciousness give this seminal book, first published in 1979, new importance for the light it throws on many fundamental, but hitherto mysterious, human potentialities. Grof's theory of the human psyche transcends the personal and opens ways to a greater understanding of our inner selves.

"Grof's case histories contain an incredibly rich fund of mythological, literary and mystical reference points." - Kirkus Reviews

"To call this book impressive is to underrate its impact. It has been a privilege to review this book. It is not an easy work to digest and plunges the reader into undreamt of areas of the Human Psyche, but to all those who would have the courage to look at life squarely in the face, I would urge you to read it" - Revelation

"Probably the most comprehensive and far-reaching study of the drug LSD to date... nobody who is interested in healing can afford to ignore these results... Well worth reading" - Atlantean