Schlüssel der Dunkelheit
| Book | The Key to Midnight |
| Editor | Rainer Michael Rahn |
| Publisher | Wilhelm Heyne Verlag, München |
| Cover Art by | Jo Fischer, Rechtmehring |
| Translated by | Alexandra v. Reinhardt |
| Manufacturing by | Ebner, Ulm |
| Imprint | Heyne |
| Cover/Jacket Design by | Atelier Ingrid Schütz, München |
| Copyright Holder | Nkui Inc. |
| Copyright Holder (Translation) | Wilhelm Heyne Verlag GmbH & Co. KG, München |
| Publisher Series | Die Jumbos |
| Format | Trade Paperback |
| Language | German |
| Location | Germany |
| Copyright | 1979 |
| Copyright | 1992 |
| First Printing in Country | 1992 |
| Pages / Font | 329 pages |
| ISBN | 3-453-05701-5 |
| Barcode (EAN) | 9783453057012 |
| Catalog Number | 41/40 |
| EAN 5 | 02680 |
| Chapters | 84 |
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