Extreme Sudoku: A collection of 200 of the toughest Sudoku puzzles known to man. (With their solutions.)
| Country | USA |
| Brand | Brilliance Audio |
| Manufacturer | Brilliance Audio |
| Binding | Audio CD |
| ReleaseDate | 2016-08-01 |
| UnitCount | 1 |
| Format | Audiobook |
| EANs | 9781511391429 |