| ID | 000811 |
| Call Number | 652.8/KIM |
| Title Proper | Cracking codes |
| Language | ENG |
| Author | Kimpton, Diana |
| Publication | London, Scholastic, 2004. |
| Description | 158p Blue Spine |
| Series | The Knowledge |
| Note | This revealing guide gives you the key to unlock the secret languages of spies. Get on the case to discover how to decipher dots and dashes, fathom flags, and suss a simple cipher. |
| Standard Number | 0439981840 |
| Price. Qualification | £4.99(Pb) |
| Classification Number | 652.8 |
| Key Words | Ciphers ; Cryptography ; UOI - Communication ; Codes and Ciphers ; Solutions |