| ID | 008943 |
| Call Number | 793.73/ALL |
| Title Proper | Cryptogram Challenge |
| Language | ENG |
| Author | Allen, Robert |
| Publication | Great Britain, Carlton Books Limited, 2005. |
| Description | 192p Brown Spine |
| Note | Contains more than 100 codes to crack and ciphers to solve. All difficulty levels are featured from simple substitution ciphers to develishly difficult double-coded codes. |
| Standard Number | 1844425037 |
| Price. Qualification | Rs.350(Pb) |
| Classification Number | 793.73 |
| Key Words | Recreation ; Cryptograms |