Sudoku Kuromasu - 200 Hard to Master Puzzles 7x7 (Volume 4)
| Country | USA |
| Brand | Laurence King |
| Manufacturer | Laurence King Publishing |
| Binding | Paperback |
| PartNumber | 9781786270030 |
| Height | 7.5 |
| Length | 6 |
| Weight | 0.63493131456 |
| Width | 0.5 |
| ReleaseDate | 2017-04-25 |
| NumberOfItems | 1 |