At the Earth's Core

At the Earth's Core reveals an entire world 500 miles below the surface of our planet. With dinosaurs, cavemen, and perpetual noon, the eerie world of Pellucidar is the perfect setting for this adventurous science fiction novel.David Innes is a wealthy miner who gave his friend, Perry Abner, the money to invent a powerful excavating vehicle. While the pair are carrying out a test run of the machin...