Invasion
From Author Wars - https://authorwars.com/books/invasion-2808315.html
Editions/Publications:
- 1979 . Atlan, #69: Die Höhlen der Floggs (1979, R. Thiess, Pabel-Moewig, DM 1.60, 68 pages, digest, MAGAZINE)
From Author Wars - https://authorwars.com/books/invasion-2808315.html