The Hardest Hidden Pictures Book Ever: Ultra-Challenging Brain Games for Kids Ages 8-12, Advanced Seek and Find Puzzles Book with Over 1,500 Hidden Objects to Find (Highlights Hidden Pictures)
| Country | USA |
| Brand | EFORTISSIMO Racing |
| Manufacturer | EFORTISSIMO |
| ItemPartNumber | YUSCYUS-66123S5-TTYUSCNU26 |
| ReleaseDate | 0000-00-00 |