| GMD | Text |
| Language | Eng |
| Classification | 375.5 So87 |
| Publisher | Institute for christian teaching, Silver Spring, U.S.A., c1990 |
| Edition | Science. |
| Subject | Seventh-day Adventists -- Education. |
| Series | Seventh-day Adventist curriculum. |
| Description | 60 p. : ill. ; 28 cm. |