It's hard to fathom what it would be like crossing 1,100 miles (1,770 km) of Alaskan wilderness on a dogsled. The frigid conditions alone would make many adventurers think twice about this challenge. Throw in unexpected encounters with angry moose and dangerous journeys across melting lakes, and readers have an idea of what the remarkable race called the Iditarod is all about. From its heroic beginnings to its most amazing winners, all aspects of...