Bell, Alexander Graham, 1847-1922 -- Juvenile literature Inventors -- United States -- Biography -- Juvenile literature Telephone -- History -- Juvenile literature

Electricity -- Juvenile literature Electric power production -- Juvenile literature

Power resources -- Juvenile literature Force and energy -- Juvenile literature

Materials -- Juvenile literature

Adaptation (Biology) -- Juvenile literature

Human body -- Juvenile literature

Cells -- Juvenile literature Cytology -- Juvenile literature

Plant physiology -- Juvenile literature Plant ecology -- Juvenile literature

Human physiology -- Juvenile literature. Human body -- Juvenile literature. Human genetics -- Juvenile literature. Growth -- Juvenile literature. Emotions -- Juvenile literature.

Science -- Comic books, strips, etc. -- Juvenile literature.

Food chains (Ecology) -- Juvenile literature

圖書資訊學