200 Sudoku Puzzles Mixed Levels Easy to Extreme: 200 Puzzles and Solutions to Challenge Your Brain. Easy. Normal, Hard, Very Hard and Extreme
| Country | USA |
| Brand | Brand: Nova Science Pub Inc |
| Manufacturer | Nova Science Pub Inc |
| Binding | Hardcover |
| Height | 10 |
| Length | 7 |
| Weight | 1.45064168396 |
| Width | 0.75 |
| ReleaseDate | 0000-00-00 |