| Publication |
India, Scholastic India Pvt. Ltd, 2004.
|
| Description |
32pGreen Spine
|
| Series |
Brainwaves Green Set
|
| Summary/Abstract |
Find out how codes have been used since ancient times. Then have a go at breaking some secret codes!
|
| Contents |
Code breaking made easy!
Use the keys and crack the codes!
Codes in pictures
Whta do these ancient drawings mean?
Secret spy codes
Keeping secrets out of enemy hands
Fact file
Glossary
Index
|
| Standard Number |
1865094730 Pb.
|