In 1897, a 21-year-old unemployed Californian named Jack London borrowed funds so he could make his fortune in the Klondike. His life prior to the gold rush had been a story of toil and lean days. He knew how to pitch a tent, start a fire with minimal effort and how to go without either a fire or a blanket if circumstances required. He had lived in close quarters with sailors before the mast, tramps on the road and even convicts in jail.Though London...