Tarzan at the Earth's Core

From Author Wars - https://authorwars.com/publications/tarzan-at-the-earths-core-383483.html

Overview:

Title: Tarzan at the Earth's Core
Author: Edgar Rice Burroughs
Year: Unknown
Publisher: Grosset & Dunlap
Price: $0.75
Pages: 301
Binding: Hardcover
Type: Novel
Title Reference: Tarzan at the Earth's Core
Notes: Information on this book from Henry Hardy Heins' A Golden Anniversary Bibliography of Edgar Rice Burroughs who dates this edition as c. 1940.
This edition removes the frontispiece.