BURROUGHS, EDGAR RICE. Tarzan at the Earth's Core. Frontispiece by J. Allen St. John. 8vo, publisher's light green cloth, spine faded slightly with minor rubbing to head and foot; dust jacket, spine panel sunned, corners clipped retaining $2.00 price, professional paper restorations on verso, one short closed tear; endpapers age-toned with unobtrusive ownership signature and removed label residue to front pastedown. first edition. New York: Metropolitan Books, (1930)