Unternehmen Dunkelplanet

From Author Wars - https://authorwars.com/publications/unternehmen-dunkelplanet-696847.html

Overview:

Title: Unternehmen Dunkelplanet
Author: W. A. Travers
Year: 1971
Publisher: Zauberkreis
Price: DM 0.90
Pages: 62
Binding: digest
Type: Chapter Book
Title Reference: Unternehmen Dunkelplanet
Notes:
- Stated first edition and first printing ("Erstdruck" on p. 1).
- There's no statement for the date of publication; day of publication from the monthly schedule on the first Monday of a month in 1971.
- There's no credit for the cover art, but the piece is signed 'Lo'.
- Other prices: S 6.00 (Austria), L 180 (Italy), Kr 1.50 incl. oms (Sweden).