At the Earth's Core

"At the Earth's Core" is the exciting first book in the Pellucidar series created by Edgar Rice Burroughs. Set in a captivating Hollow Earth world, the story follows David Innes, an heir to a mining fortune, and his inventive friend Abner Perry. Using a remarkable machine called the "iron mole," they embark on a daring journey, burrowing an astonishing 500 miles beneath the Earth's surface. Their adventures in this mysterious realm are filled with action and excitement. If you love thrilling action-adventure stories, this book is sure to captivate your imagination. (adapted from Wikipedia)