| Other Title | Skulduggery Pleasant 4 :Dark days / |
| GMD | Book |
| Language | E |
| Classification | F LAN |
| Publisher | HarperCollins, London, 2010 |
| Subject | Young Adult FictionFiction - FantasyFiction - HorrorFiction - Magic |
| Topic | Young Adult FictionFiction - FantasyFiction - HorrorFiction - Magic |
| Series | Skulduggery Pleasant #4 |
| Description | 414 p. ;20 cm.; |
| ISBN | 9780007325979 |