| GMD | Text |
| Classification | 031.02 SHI |
| Publisher | Washington, D.C., National Geographic, 2011 |
| Subject | Children's questions and answers. |
| Topic | IPC |
| Series | National geographic little kids. |
| Description | 127 p. : col. ill. ; 26 cm. |
| ISBN | 9781426307928 |
| Suitable | From 6 To 8 |