Danger Below!
From Author Wars - https://authorwars.com/publications/danger-below-292435.html
Overview:
- Title: Danger Below!
- Author: John Blaine
- Year: 1968
- Publisher: Grosset & Dunlap
- Pages: 178
- Binding: Hardcover
- Type: Novel
- Title Reference: Danger Below!
- Notes: Info from Reginald1.