Grandfather's Book Of Sudoku: 200 traditional sudoku puzzles in easy, medium & hard
| Country | USA |
| Brand | Digital Watchdog |
| Manufacturer | Digital Watchdog |
| Binding | Electronics |
| ItemPartNumber | DW-VA1P162T |
| Model | DW-VA1P162T |
| UPCs | 738714000947 |
| EANs | 0738714000947 |
| ReleaseDate | 0000-00-00 |