Ranulph Fiennes is the only man alive ever to have travelled around the Earth's circumpolar surface (more people have been on the Moon!). His record-breaking expeditions include travel by riverboat, hovercraft, man-haul sledge, skidoo, Land Rover and skis. He is also the bestselling author of titles such as Mad Dogs and Englishmen, Mad, Bad and Dangerous to Know, and the biography Captain Scott.