| GMD | Text |
| Classification | 535 TRU |
| Publisher | New York, Children's Press,scholastic, c2004 |
| Subject | Light -- Juvenile literature. |
| Topic | IPC |
| Series | Rookie read-about science. |
| Description | 31 p. : col. ill. ; 19 cm. |
| ISBN | 9780516258423 |
| Additional ISBN | 9780516234465 |
| Suitable | From 5 To 7 |