Creator of puzzles - Calcudoku 240 Normal Puzzles 7x7 (Volume 2) (Sudoku Creator - Calcudoku)
| Country | USA |
| Brand | CREATESPACE |
| Manufacturer | CreateSpace Independent Publishing Platform |
| Binding | Paperback |
| ItemPartNumber | RKC2008254292 |
| UnitCount | 1 |
| EANs | 9781533300263 |
| ReleaseDate | 0000-00-00 |