Over the five hundred or so years that man searched for an elusive sea passage from Europe to Asia through the North American land mass, dozens of ships were lost and hundreds of mariners died. Eventually, a sea route stretching through the waters of the archipelago and along Canada's mainland Arctic coast was pieced together. But could ships navigate the Northwest Passage to the extent that it could be used as an international shipping route? Two seagoing captains and their ships a Norwegian, Roald Amundsen, and a Canadian of Norwegian birth, Henry Asbjorn Larsen answered that question in...