Along with her husband, promoter of a story of a mysterious underground world culminating in an Antarctic kingdom called Rainbow City, supposed to have been constructed two and a half million years ago of plastic. It is warmed by hot springs and has eluded discovery by polar explorers because it is surrounded by ice walls 10,000 feet high, according to the story.
As distinct from the evil deros of the Shaver mystery, Rainbow City and its subterranean world are said to be ruled by "the Ancient Three," originally from the planet Mars, who take a benevolent interest in world politics and use their occult influence on behalf of humanity.
Barton, Michael X. Rainbow City and The Inner Earth Story. Los Angeles: Futura Press, 1960. Reprint, Clarksburg, W. Va.: Saucerian Press, 1969.