Das Rätsel der alten Gruft
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Overview:
- Title: Das Rätsel der alten Gruft
- Author: Marcos Mongo
- Year: 1979
- Publisher: Zauberkreis
- Price: DM 1.30
- Pages: 60
- Binding: digest
- Type: Chapter Book
- Title Reference: Das Rätsel der alten Gruft
- Notes:
- First edition and printing.
- Editor: {{A|Peter Villinger}}
- Date deduced from the weekly publication schedule.
- Zauberkreis did not include the cover into the page count.
- The cover artist is not credited but his signature is clearly visible.
- Other prices: S 10.00 (Austria), Fr 1.50 (Switzerland), Kr 3.75 incl. moms (Sweden), L 600 (Italy), Pts 60.00 (Spain).