"A glacier may look forbidding and empty, but it provides a rich habitat for animals from the mountains to the sea. As the world's glaciers melt, their disappearance impacts not only the wildlife that calls them home, but also all life on earth. Back matter includes a glossary and an author's note about climate change"--

Geronimo Stilton's ancestor, Geronimo Stiltonoot, investigates a witness's claim of a moving mountain of ice.