Tripping the Trail of GhostsTripping the Trail of Ghosts by P. D. Newman delves into the exploration of psychedelic spiritual practices and afterlife beliefs among the Mississippi mound cultures. Examining the Path of Souls or Trail of Ghosts, a Native American model for the after death journey, the book demonstrates how psychoactive plants were used to evoke the liminal state between life and death in initiatory rites and spirit journeys. It also explores the symbology of the