Der Ring des Terrors
From Author Wars - https://authorwars.com/books/der-ring-des-terrors-2374802.html
Editions/Publications:
- 1969 . Die Zwillingsplaneten (1969, H. Plehn, Moewig, DM 0.90, 64 pages, digest, Novel)
- 1969 . Die Zwillingsplaneten (1969, Keith Woodcott, Moewig, DM 0.90, 64 pages, digest, Novel)