Hard Sudoku puzzle books vol. 1: Hard, Very Hard and Extremely Hard Sudoku - Total 300 Sudoku puzzles to solve - Includes solutions (Hard to extreme)
| Country | USA |
| Brand | PUMA |
| Manufacturer | Puma Women's Active |
| Binding | Apparel |
| Model | 57271601 |
| ReleaseDate | 0000-00-00 |