500+ Sudoku Puzzles (Kindle Scribe Only): interactive Hyperlinked book for mind & brain exercises with Large Print easy to hard progressive puzzles with solutions
| Country | USA |
| Brand | Fibnek |
| Manufacturer | fibnek |
| Model | FIB-150BUS |
| Warranty | 2 |
| Color | Black & Red |
| UnitCount | 2 |
| ReleaseDate | 0000-00-00 |