| Original Title | The Amethysts |
| Original Language | English |
| Author | Frank Delaney |
| Publisher Series | Zwarte Beertjes |
| Publisher | A.W. Bruna Uitgevers B.V. |
| Translated by | Martin Jansen in de Wal |
| Format | Paperback |
| Language | Dutch |
| Location | Utrecht |
| Copyright | 1997 |
| This Edition Published | 2001 |
| Pages / Font | 351 pages |
| Barcode | 9 789044 928051 |
| ISBN | 90-449-2805-8 |
| Series Number | 2805 |
| Nederlandse Uniforme Genre Indeling (NUGI) | 331 |
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