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 |
| Brand | Rowman & Littlefield Publishers |
| Manufacturer | Rowman & Littlefield Publishers |
| Binding | Paperback |
| ItemPartNumber | Refer to Sapnet. |
| ReleaseDate | 2021-12-19 |
| UnitCount | 1 |
| EANs | 9781538150474 |