Citadels on Earth
From Author Wars - https://authorwars.com/books/citadels-on-earth-25356.html
Overview:
- Title: Citadels on Earth
- Author: David Hagberg
- Year: 1981
- Type: Novels
- Series: Flash Gordon (David Hagberg Series)
- Number in Series: 6
From Author Wars - https://authorwars.com/books/citadels-on-earth-25356.html