"Régions polaires" . . . . . . "Living at the poles" . "Living at the poles"@en . "Juvenile works" . "Juvenile works"@en . . . . . "Living at the Poles"@en . . . . "Describes the living conditions, plant and animal life, natural resources, exploration, and people of the North and South poles." . "Polar regions" . . "Polar regions." .