The Must Have 2016 Sudoku Puzzle Book: 366 puzzle daily sudoku book for the leap year. A challenge for every day of the year. 366 Sudoku Games - 5 levels of difficulty (easy to hard)
| Country | USA |
| Brand | lasenersm |
| Manufacturer | lasenersm |
| Binding | Misc. |
| Color | Silver Tone |
| Size | 5mm |
| UPCs | 663250084789 |
| EANs | 0663250084789 |
| ReleaseDate | 0000-00-00 |