Extreme Sudoku: A collection of 200 of the toughest Sudoku puzzles known to man. (With their solutions.)
| Country | USA |
| Brand | BETHANY HOUSE |
| Manufacturer | Bethany House Publishers |
| Binding | Paperback |
| ItemPartNumber | 108900 |
| ReleaseDate | 2006-11-01 |
| UnitCount | 1 |
| EANs | 9780764228902 |