The Return of The Killer Sudoku (The Professional Killer Sudoku Series: 10-Volume Compendium)
| Country | USA |
| Brand | Logitech |
| Manufacturer | Logitech |
| Binding | Personal Computers |
| ItemPartNumber | 960-001335 |
| Model | 960-001335 |
| Warranty | 1 Year Limited Hardware Warranty |
| Color | Black |
| ReleaseDate | 2020-04-10 |
| Size | 1 Pack |
| UnitCount | 1 |
| UPCs | 097855160522 |
| EANs | 0097855160522 |