Sudoku: 400+ Sudoku Puzzles with Easy, Medium, Hard, and Very Hard Difficulty Levels
| Country | USA |
| Brand | GOLINK |
| Manufacturer | LiangYe |
| Binding | Wireless Phone Accessory |
| ItemPartNumber | IP65-IMD-WHTMB |
| Model | . |
| Color | White |
| UPCs | 696837511675 |
| EANs | 0696837511675 |
| ReleaseDate | 0000-00-00 |