Back to the Stone Age
From Author Wars - https://authorwars.com/publications/back-to-the-stone-age-209045.html
Overview:
- Title: Back to the Stone Age
- Author: Edgar Rice Burroughs
- Year: 1973
- Publisher: Ace Books
- Price: $0.75
- Pages: 251
- Binding: Paperback
- Type: Novel
- Title Reference: Back to the Stone Age
- Notes:
- "Fourth Ace printing: January 1973"; no number line
- Copyright © 1936, 1937 by Edgar Rice Burroughs, Inc.
- Originally published under the title Seven Worlds to Conquer
- "Cover painting by Frank Frazetta" on copyright page, the artwork is also signed