Children's encyclopedia "Why 100,000?" Extracurricular reading for primary school students (Building The Ultimate Brain)
| Country | USA |
| Brand | Levine Querido |
| Manufacturer | Levine Querido |
| Binding | Hardcover |
| ReleaseDate | 2021-10-19 |
| UnitCount | 1 |
| Format | Picture Book |
| EANs | 9781646140879 |