The book is primarily available in Romanian . English translations of Străinu’s specific works are rare, though his theories align with those of authors like Radu Cinamar.

Other mysterious subterranean structures that defy standard scientific explanation. Synthesis of Ufology and Geopolitics

He suggests that many Romanian folk tales (like the story of "Iovan Iorg

If you need help finding a summary or similar books on the topic (caves, underground world, speleology in Romanian literature), let me know.

As a prominent figure in Romanian ufology and unconventional research, Străinu blends military-style analysis with esoteric inquiries. The book does not merely present myths; it treats these subterranean possibilities as matters of national and global security. By examining "stranger secret files," the author invites readers to reconsider the physical structure of the planet and the potential for a "hollow" or highly tunneled Earth inhabited by advanced civilizations. Conclusion

If you are looking for similar digital content, other works by Emil Străinu focusing on psychotronic warfare and secret files are sometimes hosted on educational or document-sharing platforms: Incursiune in lumea subterana. Cui apartine planeta Terra?