He died on November 28, 1968, in Canoga Park. Ketchum wrote The invention of Edgar Cayce, published by the A.R.E. Press, four years earlier than Ketchum died. For more in regards to click through the next document visit the web site. Cayce advocated pseudohistorical ideas in his trance readings, such as the existence of Atlantis and the discredited idea of p...