In 1894, an eighteen-year-old Jack London quit his job shoveling coal, hopped a freight train, and left California on the first leg of a ten thousand-mile odyssey. His adventure was an exaggerated version of the unemployed migrations made by millions of boys, men, and a few women during the original "great depression" of the 1890s. By taking to the road, young wayfarers like London forged a vast hobo subculture that was both a product of the new urban industrial order and a challenge to it. As London's experience suggests, this hobo world was born of equal parts desperation and fascination....
In 1894, an eighteen-year-old Jack London quit his job shoveling coal, hopped a freight train, and left California on the first leg of a ten thousand-...