Extreme Sudoku: A collection of 200 of the toughest Sudoku puzzles known to man. (With their solutions.)
| Country | USA |
| Brand | DK |
| Manufacturer | DK |
| Binding | Hardcover |
| ItemPartNumber | 9780744092349 |
| Color | White |
| ReleaseDate | 2024-02-13 |
| UnitCount | 1 |
| EANs | 9780744092349 |