In conclusion, while there are many resources and works related to Atlantis and antediluvian topics, finding a specific book like "Atlantida El Mundo Antediluviano" in PDF format requires careful searching through legitimate channels.

The story of Atlantis originates from the ancient Greek philosopher Plato, who described it in his dialogues Timaeus and Critias. According to Plato, Atlantis was a powerful and advanced civilization that existed in the distant past. The island nation was said to be located beyond the "Pillars of Hercules" (the modern-day Strait of Gibraltar), in the Atlantic Ocean.