Question:  Gina Cerminara published a book based on her years of research of an American Christian mystic who was given what nickname?
Sentence (from "Edgar Cayce"): Edgar Cayce ( ; March 18, 1877 – January 3, 1945) was an American Christian mystic who answered questions on subjects as varied as healing, reincarnation, wars, Atlantis, and future events while claiming to be in a trance.
Relevant evidence: Yes