| Illustrator | Ian Baker |
| Publisher | Scholastic Children's Books |
| About/Subject | Cryptography |
| Series | Murderous Maths |
| Format | Paperback |
| Language | English |
| Location | London, Great Britain |
| Copyright | 2007-02 |
| Pages / Font | 157 pages |
| ISBN 13 | 9780439943284 |
| Chapters | 11 11 Show all ▾ |