Hollow Earth concept presented in this book offers the most reasonable theory of the origin of the flying saucers and far more logical than the belief in their interplanetary origin. Due to this, leading flying saucer experts, as Ray Palmer, editor of “Flying Saucers” magazine, and Gray Barker, a well-known writer on flying saucers, have accepted the theory of their subterranean origin as against the idea that they come from other planets.

The theory that flying saucers came from the Earth’s interior and not from other planets originated in Brazil and only later was it taken up by American flying saucer experts.

In 1957, while exploring in a bookstore in Sao Paulo, Brazil, the author came across a book that struck his attention, entitled, “From the Subterranean World to the Sky: Flying Saucers“. The book was devoted to the thesis that flying saucers were not space ships from other planets but were of terrestrial origin and came from a subterranean race dwelling inside the earth.

In the beginning, the author could not accept this strange, unorthodox theory concerning the origin of the flying saucers, which seemed improbable and impossible, since it would require the existence of a cavity of tremendous size inside the earth in which they could fly, in view of their tremendous speed. In fact, this cavity would have to be so large that it would make the earth a hollow sphere. At this time the author had not come across the remarkable books of two American scientists, William Reed and Marshall B. Gardner, proving, on basis of evidence from Arctic explorers, that the earth is hollow with openings at the Poles, with a diameter of 5,800 miles in its hollow interior, large enough for flying saucers to fly in.

Huguenin’s theory of the subterranean origin of the flying saucers, however, was not original. The idea was first put forward by Professor Henruique Jose de Souza, president of the Brazilian Theosophical Society, which has its headquarters in Sao Lourenco in the State of Minas Gerais, where there is an immense temple in Greek style dedicated to “Agharta,” the Buddhist name for the Subterranean World.

There was a student called Sao Lourenco who, officer of the Brazilian Navy and member of the Diretoria of the Brazilian Theosophical Society, From him they learned about the Subterranean World, and also the idea that flying saucers come from the Earth’s interior. It was for this reason that Mr. Huguenin dedicated his book to Prof. de Souza and his wife, D. Helena Jefferson de Souza.
In his book, Huguenin presents Strauss’s views on the subterranean origin of the flying saucers and against the theory that they come from other planets as follows:

“The hypothesis of the extra-terrestrial origin of the flying saucers does not seem acceptable. Another possibility is that they are military aircraft belonging to some existing nation on earth. This hypothesis, however, is opposed by the following arguments:

“1. If the United States and Russia possessed flying saucers, they would not desist from announcing this fact because of its value as a psychological arm to secure advantages in the diplomatic field. Also they would manufacture and use these vehicles for military purposes, since they are so rapid and powerful that they would leave the enemy almost without means of defense.

“2. The United States and USSR would not continue to spend large sums of money on the manufacture of ordinary airplanes if they possessed the secret of producing flying saucers.”
After presenting the argument that flying saucers do not come from any existing nation and his view that they are not of interplanetary origin, Huguenin quotes Strauss to the fact that they come from the Subterranean World. On this subject he writes:

“Finally, we must consider the most recent and interesting theory that has been offered to account for the origin of the flying saucers: the existence of a great Subterranean World with innumerable cities in which live millions of inhabitants. This other humanity must have reached a very high degree of civilization, economic organization and social, cultural and spiritual development, together with an extraordinary scientific progress, in comparison with whom the humanity that lives on the earth’s surface may be considered as a race of barbarians.

“The idea of the existence of a Subterranean World will shock many people. To others it will sound absurd and impossible, for ‘certainly,’ they say, ‘if it existed, it would have been discovered long ago.’

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