| GMD | BOOK |
| Classification | 636 WHY |
| Publisher | HarperCollins Publishers |
| Subject | Children's Literature BibliographyEnglishTeaching - Aids and devices.Teachers' ResourcesPetsSCIENCE EXPERIMENTSFablesAnimals |
| Topic | Non Fiction |
| Series | Celebrate Reading! |
| ISBN | 0673800245 |