| Original Title | Secretum |
| Original Language | Italian |
| Author | Monaldi & Sorti |
| Translated by | Jan van der Haar |
| Cover Art by | Studio Jan de Boer |
| Format | Paperback |
| Language | Dutch |
| Location | Amsterdam |
| Reprinted | 2005 |
| Pages / Font | 766 pages |
| ISBN | 90 234 1847 8 |
| Notes | Publisher De Bezige Bij |
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