Back to the Stone Age
From Author Wars - https://authorwars.com/publications/back-to-the-stone-age-248478.html
Overview:
- Title: Back to the Stone Age
- Author: Edgar Rice Burroughs
- Year: Unknown
- Publisher: Ace Books
- Price: $1.50
- Pages: 251
- Binding: Paperback
- Type: Novel
- Title Reference: Back to the Stone Age
- Notes: Magazine serial as 'Seven Worlds to Conquer'.