Zeit Der Hoffnung
| Format | Paperback |
| Language | German |
| This Edition Published | 2004 |
| Original Title | Key of Knowledge |
| Original Language | English |
| Author | Nora Roberts |
| Translated by | Margarethe van Pee |
| Publisher | Blanvalet Verlag, München |
| Series | Key Trilogy |
| Format | Paperback |
| Language | German |
| This Edition Published | 2004 |
| ISBN | 3-442-35859-0 |