| GMD | Text |
| Language | Eng |
| Classification | 823.912 BLY |
| Publisher | London, Hodder Children's Books, c2013 |
| Subject | Action and adventure fictionDetective and mystery fictionDetective and mystery storiesSecret Seven (Fictitious characters) |
| Series | The Secret Seven#6 |
| Description | 125 p. : ill ; 19.5 cm |
| ISBN | 9781444913484 |
| Additional ISBN | 9781444936605 |