La Nuit des Mutants
| Book | Portal of Evil |
| Format | Mass-Market Paperback |
| Language | French |
| Printed | 1991-04-26 |
Collection
| Series | Défis Fantastiques |
| Publisher | Gallimard |
| Imprint | Folio Junior |
| Author | Peter Darvill-Evans |
| Cover Art by | David Gallagher |
| Illustrator | Alan Langford |
| Translated by | Anne Collas |
| Copyright Holder (Text) | Peter Darvill-Evans |
| Copyright Holder (Illustrations) | Alan Langford |
| Copyright Holder (Translation) | Éditions Gallimard |
| Printed by | Imprimerie Hérissey |
| Format | Mass-Market Paperback |
| Language | French |
| Location | France |
| Printed | 1991-04-26 |
| This Edition Published | 1990-05 |
| Copyright | 1990 |
| Copyright | 1989 |
| Series Number | 36 |
| Impression/Printing No. | 52575 |
| ISBN | 2-07-033585-2 |
| Barcode | 9 782070 335855 |
| Other | A 33585 |
| Other | 585 |
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