Publisher's Synopsis
At the Earth's Core by Edgar Rice Burroughs
David Innes and Abner Perry build a giant mechanical prospector with which they hope to uncover vast mineral deposits far below the surface. On the first trip of "Iron Mole," however, they discover that their vehicle cannot be steered. Death seems certain, for doesn't everyone know that the center of the earth is a molten mass of white-hot magma?
Instead, Innes and Perry discover that the earth's crust is only 500 miles thick and the inner surface is inhabited. This is the land of Pellucidar, a place where dinosaurs roam the jungles, and where saber-toothed tigers hunt mastodons and mammoths. A small sun, the molten core of the earth, hangs in the center of the heavens, shedding perpetual daylight on Pellucidar.