Out of Time's Abyss

From Author Wars - https://authorwars.com/publications/out-of-times-abyss-249243.html

Overview:

Title: Out of Time's Abyss
Author: Edgar Rice Burroughs
Year: 1973
Publisher: Ace Books
Price: $0.75
Pages: 142
Binding: Paperback
Type: Novel
Title Reference: Out of Time's Abyss
Notes:
"First Ace printing: October, 1963" "Second Ace printing: November, 1969" "Third Ace printing: March, 1973"; no number line The artist is not credited, about half of Frazetta's signature is visible on the artwork