Problem auf Balak
From Author Wars - https://authorwars.com/books/problem-auf-balak-1555655.html
Editions/Publications:
- Unknown. Galaxis Science Fiction, #9 (Unknown, Roger Dee, Moewig, DM 1.50, 128 pages, Paperback, MAGAZINE)
- Unknown. Terra Science Fiction (Unknown, Roger Dee, Moewig, DM 5.80, 240 pages, Paperback, Anthology)