In the summer of 2008 Billy Connolly set sail on a ten-week journey from ocean to ocean: from the Atlantic to the Pacific, by way of the North West Passage - a fabled route deep within the Arctic Circle that has thwarted explorers and fortune-hunters for centuries. For Cook, Drake and countless other adventurers, the North West Passage has been an alluring but impossible journey, a trial of unparallelled physical and mental strength, a haunting and fascinating...