Book excerpt: The Northwest Passage was repeatedly sought for over four centuries. From the first attempt in the late 15th century to Roald Amundsen's famous voyage of 1903-1906 where the feat was first accomplished to expeditions in the late 1940s by the Mounties to discover an even more northern route, author Alan Day covers all aspects of the ongoing quest that excited the imagination of the world. This compendium of explorers, navigators, and expeditions tackles this broad topic with a convenient, but extensive cross-referenced dictionary. A chronology traces the long succession of treks to find the passage, the introduction helps explain what motivated them, and the bibliography provides a means for those wishing to discover more information on this exciting subject.