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Invisible Residents: The Reality of Underwater UFOs by David Hatcher Childress, Ivan T. Sanderson

Invisible Residents: The Reality of Underwater UFOs

David Hatcher Childress, Ivan T. Sanderson

100 pages • first pub 1970 (editions)

nonfiction challenging informative medium-paced
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Invisible Residents: The Reality of Underwater UFOs by Ivan T. Sanderson

Invisible Residents: The Reality of Underwater UFOs

Ivan T. Sanderson

248 pages • first pub 1970 (editions)

nonfiction challenging informative medium-paced