Mountains exist on every continent and in almost every country.But did you know that the longest mountain range on the planet exists deep beneath our ocean's surface? Or that some of the most marvellous mountains are on other planets and moons?This book takes readers on an adventure, exploring some of the planet's most iconic mountains and hostile landscapes, as well as the animals and plants that call mountains their home. You can build your own encyclopedia with A Ladybird Book. Other titles available in this series:The Ancient EgyptiansAnimal HabitatsBaby AnimalsClimate ChangeElectricityThe Human BodyInsects and MinibeastsPlanet EarthRainforestsThe RomansSea CreaturesThe Solar SystemThe Stone AgeTrainsTreesVolcanoesWeatherWindrush