Grandpa's Birthday Sudoku Challenge: Can Grandpa do 50 hard puzzles in 50 days? Hmm...
| Country | USA |
| Brand | Avery Hill Publishing |
| Manufacturer | Avery Hill Publishing |
| Binding | Paperback |
| Height | 11.75 |
| Length | 8.25 |
| Weight | 0.85098433132 |
| Width | 0.5 |
| ReleaseDate | 2024-10-01 |
| NumberOfItems | 1 |