Sudoku Book for Adults and Seniors with 3 Levels of Difficulty: 402 Puzzles & Solutions, Easy to Hard (The Perfect Gift for Puzzle Lovers) (Gifts for Men & Women)
| Country | USA |
| Brand | HBIHGHHONG |
| Manufacturer | Shenzhenshiyuelaohudianzishangwuyouxiangongsi |
| Binding | Personal Computers |
| Model | SM-F721U |
| Warranty | 6 months |
| UnitCount | 1 |
| ReleaseDate | 0000-00-00 |