Ideal for advanced, confident learners of English looking to improve or consolidate their English. The book is filled with useful vocabulary that is carefully graded to level, it also comes with audio, so that you can listen to the story at the same time as reading.On the Polar ice-cap, 640 kilometres north of the Arctic Circle, the deadly, icy winds can freeze a man to death in minutes. But the survivors of the crashed airliner are lucky - they are rescued by three scientists from a nearby weather station.But why did the airliner crash in the first place? Who smashed the radio to pieces? And why does the dead pilot have a bullet hole in his back? The rescue quickly turns into a nightmare: a race through the endless Arctic night, a race against time, cold, hunger - and a killer with a gun.