| Publication |
London, Scholastic, 2004.
|
| Description |
158pBlue Spine
|
| Series |
The Knowledge
|
| Summary/Abstract |
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 Pb.
|