In 1964, Leary co-authored a book with Alpert and [http://www.press.daynal.org/catalog/unfolding_self.html Ralph Metzner] called ''The Psychedelic Experience'', based upon the '[http://www2.lib.virginia.edu/exhibits/dead/ 'Tibetan Book of the Dead]''. In it, they wrote: | In 1964, Leary co-authored a book with Alpert and [http://www.press.daynal.org/catalog/unfolding_self.html Ralph Metzner] called ''The Psychedelic Experience'', based upon the '[http://www2.lib.virginia.edu/exhibits/dead/ 'Tibetan Book of the Dead]''. In it, they wrote: |