| ID | 021727 |
| Call Number | 652.8/COL |
| Title Proper | Destroy after reading: the world of secret codes |
| Language | ENG |
| Author | Colson, Mary |
| Publication | London, Raintree Publishers, 2011. |
| Description | 32p Beige Spine |
| Series | Culture in action |
| Note | Presents an overview of various types of codes and ciphers used throughout history, famous cryptologists, and how to create your own secret messages. |
| Standard Number | 9781406217209 |
| Price. Qualification | Rs.250(Hb) |
| Classification Number | 652.8 |
| Key Words | Ciphers ; Cryptography ; Lexile 970L |