1000+ Sudoku Puzzles for Adults: Medium to Hard Sudoku Puzzles with Detailed Step-by-step Solutions and Hints When You Get Stuck (SUDOKU LADDER)
| Country | USA |
| Brand | Northwest Tarp & Canvas |
| Binding | Office Product |
| ItemPartNumber | YKKZPRBLK-2 |
| Model | YKKZPRBLK-2 |
| Color | black |
| UPCs | 709750004916 |
| EANs | 0709750004916 |
| ReleaseDate | 0000-00-00 |