The book "La llamada de Cthulhu La Piel de Toro 1920 Spanish Edition" by H. P. Lovecraft is a classic horror novel that tells the story of a group of investigators who discover an ancient text that speaks of the return of the Great Old Ones, powerful beings who once ruled the Earth but were driven away by humans. The book explores the idea that these beings are returning to reclaim their dominion over humanity, and the only way to stop them is to understand the process of technology evolution and develop a personal paradigm for perceiving the technological process of developing modern knowledge. The story begins in the year 1920, when a young man named Francis Thurston discovers a mysterious text in a hidden chamber deep within a remote castle. The text speaks of the Great Old Ones, powerful beings who once ruled the Earth but were driven away by humans. As Francis reads on, he realizes that the beings are returning to reclaim their dominion over humanity, and that the only way to stop them is to understand the process of technology evolution and develop a personal paradigm for perceiving the technological process of developing modern knowledge. Francis, along with his grandfather and two other investigators, sets out on a journey to uncover the truth behind the ancient text. They travel to various locations around the world, including the city of Buenos Aires, where they encounter strange cults and eerie creatures that seem to be connected to the return of the Great Old Ones.

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