Beyond Black Belt Sudoku: If you have to ask, it's too hard for you. (Martial Arts Puzzles Series)
| Country | USA | 
| Brand | Chronicle Books | 
| Manufacturer | Chronicle Books | 
| Binding | Game | 
| ItemPartNumber | 9781452102108 | 
| Size | Small | 
| UnitCount | 1 | 
| EANs | 9781452102108 | 
| ReleaseDate | 0000-00-00 |