Dan Carpenter (1963-2005) took thirteen high-dose, closed-eye trips using DXM between January 2003 and July 2004, which he has documented in this book.
Whether or not what he describes has an ontologically distinct existence, or if the imagery is merely psychological apparitions, the project remains valuable. Not only does it provide pharmacography with a uniquely imaginal dimension, it relates to the reader a landscape that can be explored by anyone. -- Psychedelic Press UK , October 2012