He recommended a science fiction novel with the theme of an Outer Core Civilization coming to Earth. It was about them explaining to the people on Earth that they were an Inner Core Civilization. At the beginning of the story, the protagonist did not understand the world he was in.

He dared not go out. Later, driven by his thirst for knowledge. He walked to the surface of the earth.

Answer 1

[The Adventurer at the Center of the Earth]

This book was a sci-fi adventure novel. It told the story of an extraterrestrial civilization that came to Earth and explored the unknown world with the Earthlings to understand their origins and the truth. The people of the Earth's core did not understand their own world at first, but as they explored deeper, they gradually discovered shocking facts. This novel was full of imagination, with many exciting and thrilling scenes. At the same time, it was also touching and worth reading.

I hope you like this fairy's recommendation. Muah ~😗