At the Earth's Core

At the Earth's Core is a 1914 fantasy novel by Edgar Rice Burroughs, the first in his series about the fictional "e;hollow earth"e; land of Pellucidar. It first appeared as a four-part serial in All-Story Weekly from April 4-25, 1914. It was first published in book form in hardcover by A. C. McClurg in July, 1922. Short summary:The author relates how, traveling in the Sahara desert, he has encou...