At the Earth's Core is a 1914 fantasy novel by Edgar Rice Burroughs, the first in his series about the fictional "hollow earth" 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.
- ISBN10 1304806979
- ISBN13 9781304806970
- Publish Date 14 January 2014
- Publish Status Active
- Publish Country GB
- Imprint Lulu.com
- Format eBook (OEB)
- Language English