"Frogs." . . . . "frøer" . . "Frogs Juvenile literature." . . "Ranas Literatura juvenil." . . "Juvenile works"@en . . "Learn about the different frogs of the world and in what regions they live." . "Learn about the different frogs of the world and in what regions they live."@en . . . . . . . "Ranas fantásticas" . . . . . "Readers (Elementary)"@en . . . "Aprenda acerca de los diferentes ranas del mundo y en qué regiones viven." . "Fantastic frogs"@en . . "Juvenile works" .