
David Innes, a young heir to a mining fortune, is drawn into a daring venture when his old friend Dr. Perry unveils a colossal drilling machine capable of burrowing through solid rock. Skeptical yet intrigued, Innes funds the construction of the massive steel cylinder, hoping the invention will secure his future and honor his late father's legacy. When the device finally powers up, the two men prepare for a midnight trial that promises to pierce the very heart of the Earth.
The experiment sends them spiraling into a realm of perpetual fire and alien landscapes, a hidden world far beneath the Sahara's sands. There they encounter strange, primitive peoples, towering beasts, and a mysterious civilization that challenges everything they thought they knew about the planet. As Innes wrestles with awe and danger, the story sets the stage for an epic struggle for survival and discovery in a place no surface dweller could ever imagine.
Language
en
Duration
~4 hours (267K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by Judith Boss.
Release date
1996-06-01
Rights
Public domain in the USA.

1875โ1950
Best known for creating Tarzan and John Carter, this hugely popular adventure writer helped shape early science fiction and fantasy. His stories mixed jungle action, lost worlds, and interplanetary romance in a way that still feels energetic today.
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