Extreme Sudoku: A collection of 200 of the toughest Sudoku puzzles known to man. (With their solutions.)
| Country | USA |
| Manufacturer | Tyndale Kids |
| Binding | Imitation Leather |
| Color | Teal/Turquoise green |
| ReleaseDate | 2024-09-03 |
| UnitCount | 1 |
| UPCs | 031809146637 |
| EANs | 9781496486561 |