Edgar Rice Burroughs 
At The Earth’s Core 

'At the Earth’s Core’ is an adventure novel written by Edgar Rice Burroughs, known for his imaginative and thrilling works. The story takes readers on a journey to the Earth’s core, where the protagonist, David Innes, and his companion, Abner Perry, discover a hidden prehistoric world called Pellucidar.
In the novel, David Innes, a skilled explorer, and Abner Perry, a brilliant inventor, use an experimental drilling machine to burrow into the Earth’s crust. To their astonishment, they find themselves in a vast subterranean world filled with strange landscapes, exotic creatures, and primitive civilizations. As they navigate this mysterious realm, they encounter savage tribes, giant creatures, and engage in thrilling adventures.
The narrative explores themes of exploration, survival, and the clash between modern humans and the primal world of Pellucidar. Burroughs paints a vivid picture of a lost world teeming with unique flora and fauna, ancient civilizations, and extraordinary challenges.