| GMD | Text |
| Classification | 516 POS |
| Publisher | London , Scholastic, 2009 |
| Subject | Arithmetic -- Children's nonfiction.Algebra -- Children's nonfiction |
| Series | Murderous maths |
| Description | 160 pages : illustrations ; 20 cm. |
| ISBN | 9781407107134 |
| Suitable | From 8 To 12 |