Sudoku 400 Hard Giant Size Puzzles To Keep Your Brain Active For Hours: Active Brain Series 2 Book
| Country | USA |
| Manufacturer | Signal |
| Binding | Paperback |
| PartNumber | unknown |
| Height | 5.23621 |
| Length | 7.95274 |
| Weight | 1.05380961236 |
| Width | 0.51181 |
| ReleaseDate | 0000-00-00 |