Discusses and provides practice in making and breaking codes and ciphers, as well as in building simple coding devices to transmit secret messages.
| hid | mid | miid | nid | wid | location_code | location | barcode | callnum | dewey | created | updated |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1528152 | 5158095 | 2346 | 99738 | 162205 | WESE | 490 | WESE004695 | MYSTERY CODES JAN | 1000 | 1581465224 | 1736518457 |
| 2938669 | 6413744 | 2403 | 99738 | 162205 | NEM | 346 | NWJ0008002 | 001.54 JAN | 1.54 | 1637782573 | 1736800991 |
| 2997987 | 6459812 | 2407 | 99738 | 162205 | PCE | 301 | PCC0000007 | 001.54 JAN | 1.54 | 1637782573 | 1736800991 |
| 2997988 | 6459812 | 2407 | 99738 | 162205 | PCE | 301 | PCC0000008 | 001.54 JAN | 1.54 | 1637782573 | 1736800991 |