At the Earth's Core

From Author Wars - https://authorwars.com/publications/at-the-earths-core-3273.html

Overview:

Title: At the Earth's Core
Author: Edgar Rice Burroughs
Year: 1985
ISBN-10: 0441033288
Publisher: Ace Books
Price: $2.75
Pages: 210
Binding: Paperback
Type: Novel
Title Reference: At the Earth's Core
Notes:
"First Ace edition / September 1962"
"Thirteenth Printing: January 1985"
No art credit or signature.
$2.95 in Canada.
"Reissue", date from Locus1.