Killer Sudoku Books for Adults - 500 Hard to Extreme Killer Sudoku Puzzles for Experts: The Ultimate Collection of 250 Hard and 250 Very Hard Killer Sudoku Puzzles
| Country | USA |
| Manufacturer | AoPS Incorporated |
| Binding | Hardcover |
| UnitCount | 1 |
| EANs | 9781934124178 |
| ReleaseDate | 0000-00-00 |