Quick and detailed solutions of ultra sudoku: 500 puzzles for beginner to expert players
| Country | USA |
| Brand | SIEMENS |
| Manufacturer | Siemens |
| Binding | Misc. |
| ItemPartNumber | 3RT29161JK00 |
| Model | 3RT2916-1JK00 |
| UnitCount | 1 |
| UPCs | 662643918519 |
| EANs | 0662643918519 |
| ReleaseDate | 0000-00-00 |