At the Earth's Core

At the Earth's Core is a fantasy novel by Edgar Rice Burroughs, the first in his series about the fictional "e;hollow earth"e; land of Pellucidar. The author relates how, traveling in the Sahara desert, he has encountered a remarkable vehicle and its pilot, David Innes, a man with a remarkable story to tell. David Innes is a mining heir who finances the experimental "e;iron mole,&q...