Sudoku 50-50 Challenge Book #1 Hard: Can you do 50 hard puzzles in 50 days?
| Country | USA |
| Brand | Panoma Press |
| Manufacturer | Panoma Press |
| Binding | Paperback |
| PartNumber | illustrations |
| Height | 9 |
| Length | 6 |
| Weight | 1.41536772204 |
| Width | 0.74 |
| NumberOfItems | 1 |
| ReleaseDate | 0000-00-00 |