Original Sudoku Page-A-Day® Calendar 2026: 365 Puzzles from the Editors at Nikoli
| Country | USA |
| Brand | Optimal Performance |
| Manufacturer | Optimal Performance |
| Binding | Paperback |
| ItemPartNumber | black & white illustrations |
| UnitCount | 1 |
| EANs | 9780982425602 |
| ReleaseDate | 0000-00-00 |