Drawing on a long life of shamanic experiences and more than 2,500 reports of experiences of people during his shamanic ascension, Michael Harner highlights the striking similarities between his discoveries, noting that the heavens and spirits found in ascension actually exist. He also provides instructions on his innovative shamanic techniques so that readers can also ascend to celestial kingdoms, seek out spiritual teachers, and return to will to heal.

Written by the main authority on matter, The Cave and the Cosmos is not only a must-read for those interested in shamanism, but also for those who want to delv into spirituality, comparative religion, near-death experiences, healing, consciousness, anthropology and the nature of reality.