Signs of the Inka Khipu: Binary Coding in the Andean Knotted-String Records (The Linda Schele Series in Maya and Pre-Columbian Studies)
| Country | USA |
| Brand | Wellgain |
| Manufacturer | Wellgain |
| Binding | Electronics |
| ItemPartNumber | 8541665293 |
| Model | 8541665293 |
| Color | blue |
| UPCs | 798212270860 |
| EANs | 0798212270860 |
| ReleaseDate | 0000-00-00 |