Children's encyclopedia "Why 100,000?" Extracurricular reading for primary school students (Building The Ultimate Brain)
| Country | USA |
| Brand | Picture Window Books |
| Manufacturer | Picture Window Books |
| Binding | Paperback |
| ReleaseDate | 2020-01-01 |
| UnitCount | 1 |
| EANs | 9781515858867 |