"A sequel to "At the Earth's Core," relating the further adventures of David Innes in the land underneath the earth's crust. Red cloth covers with black lettering on spine and cover. Mild spotting to spine, book shows minor wear and soil. Former owner's label on front endpaper.
  • Pellucidar
  • Edgar Rice Burroughs
  • J. Allen St. John, illustrator
  • Grosset and Dunlap, 1923