Sudoku Knossos - 200 Hard to Master Puzzles 8x8 (Volume 4)
| Country | USA |
| Brand | Welcome to the Islands |
| Manufacturer | Welcome to the Islands |
| Binding | Unknown Binding |
| ItemPartNumber | na |
| Color | Maroon |
| UPCs | 787799105429 |
| EANs | 0787799105429 |
| ReleaseDate | 0000-00-00 |