Sudoku 400 Hard Giant Size Puzzles To Keep Your Brain Active For Hours: Active Brain Series 2 Book
| Country | USA |
| Brand | CREATESPACE |
| Manufacturer | CreateSpace Independent Publishing Platform |
| Binding | Paperback |
| ItemPartNumber | RKC2008361067 |
| EANs | 9781540391797 |
| ReleaseDate | 0000-00-00 |