. . . "Light and dark" . "Light and dark"@en . "Describes light and dark situations, animals' responses to light and dark, and a wide range of lighting." . . . . . . "Photographs and simple text introduce different aspects and uses of light. Includes a vocabulary list and suggested activities for use by teachers and parents. Suggested level: primary." . . "Juvenile works" . "Juvenile works"@en . . .