At the Earth's Core
From Author Wars - https://authorwars.com/publications/at-the-earths-core-342196.html
Overview:
- Title: At the Earth's Core
- Author: Edgar Rice Burroughs
- Year: 1940
- Publisher: Grosset & Dunlap
- Price: $0.75
- Pages: 277
- Binding: Hardcover
- Type: Novel
- Title Reference: At the Earth's Core
- Notes: Date approximately 1940 per Tuck and Henry Hardy Heins' A Golden Anniversary Bibliography of Edgar Rice Burroughs. Robert B. Zeuschner's Edgar Rice Burroughs is definite about the date.
Cover artist information on this book from The Whole Science Fiction Data Base No.4 and Heins.