The title story, To Build a Fire, stands as a masterpiece of literary naturalism. It follows the perilous journey of an unnamed traveler and his wolf-dog as they trek through the unforgiving, frozen wilderness of the Yukon Territory during the Klondike Gold Rush. Ignoring the warnings of local old-timers, the man's intellectual arrogance pits him directly against the brutal, -75°F sub-zero temperatures. When he accidentally falls through the ice, his subsequent life-and-death struggle to build a survival fire showcases the ultimate, indifferent power of nature over human vulnerability.