The eighteenth century--the Age of Reason--was characterized by determined attempts by philosophers, scientists, and political theorists to dispel myth, superstition, and ignorance. But the Age of Reason also witnessed some of the most irrational and vainglorious attempts by sailors and speculators to find a navigable Northwest Passage that would lead through the icy seas of the Arctic from Hudson Bay to the wealth of the Pacific Ocean. Lured by the...