Originally published: London : Allen Lane, 2009.

Includes bibliographical references (p. 387-413) and index.

The elusive dream of locating the Northwest Passage--an ocean route over the top of North America that promised a shortcut to the fabulous wealth of Asia--obsessed explorers for centuries. Until recently these channels were hopelessly choked by impassible ice. Voyagers faced unimaginable horrors--entire ships crushed, mass starvation, disabling frostbite, even cannibalism--in pursuit of a futile goal. Glyn Williams charts the entire sweep of this extraordinary history, from the tiny, woefully equipped vessels of the first Tudor expeditions to the twentieth-century ventures that finally opened the Passage.