After 12,000 Years

From Author Wars - https://authorwars.com/publications/after-12000-years-253949.html

Overview:

Title: After 12,000 Years
Author: Stanton A. Coblentz
Year: Unknown
Publisher: Fantasy Publishing Company, Inc.
Price: $4.00
Pages: 295
Binding: Hardcover
Type: Novel
Title Reference: After 12,000 Years
Notes: Later printing possibly 2nd. The jacket also advertises for two more of Coblentz' books from FPCI.The Sunken World and The Planet of Youth which wasn't published until 1952 so this must be a later printing.