Secret codes for kids
Allen, Robert
Notes
OVER IOO SECRET MESSAGES TO SOLVE AND CRAZY CODES TO CRACK.Custom 1
Codes and ciphersCryptography
Puzzles
Custom 2
Not for issue| Location | edition | Bar Code | due date |
|---|---|---|---|
| library | ABC06332 | not for issue |
| Dewey: | 028 ALL |
| call #: | NON |
| ISBN: | 1858681391 |
| pub: | 1995 |
| Subjects |
|---|
| Codes and ciphers |
| Cryptography |
| Puzzles |