"Electricity Juvenile literature." . . "Magnetism Juvenile literature." . . "Electricity Experiments Juvenile literature." . . "Magnetism Experiments Juvenile literature." . . "Juvenile works"@en . "Text, illustrations, and suggested activities introduce the forces of electricity and magnetism and how they work."@en . . . . . . . . . . . . . . . "Electricity and magnetism"@en . . . . . . "Electricity and magnetism" . . . . . . . . "Juvenile works" . "Text, illustrations, and suggested activities introduce the forces of electricity and magnetism and how they work." . . .