Il Sonno Della Ragione #157
| Series | Dylan Dog |
| Number | Vol. 1 #157 |
| Publisher | Sergio Bonelli Editore |
| Date | 1999-10 |
| Type | Comic Book, Softcover |
| Language | Italian |
| Cover Inker | Angelo Stano |
| Cover Penciler | Angelo Stano |
| Creator | Tiziano Sclavi |
| Editor In Chief | Maria Baitelli |
| Inker | Bruno Brindisi |
| Letterer | Ileana Colombo |
| Managing Director | Decio Canzio |
| Penciler | Bruno Brindisi |
| Writer | Paola Barbato |
| Copyright Holder | Sergio Bonelli Editore |
| Distributed By | A&G Marco |
| Printed By | Ilte s.p.a. |
| Genre | Horror |
| Published in | Italy |
| Pages | 100 |
| EAN | 9 771121 580009 90157 |
| Characters | Dylan Dog, Groucho, Inspector Bloch |
| Story Location | Africa / London |
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