Jim Tully left his hometown of St. Marys, Ohio, in 1901, spending most of his teenage years in the company of hoboes. Drifting across the country as a "road kid," he spent those years scrambling into boxcars, sleeping in hobo jungles, avoiding railroad cops, begging meals from back doors, and haunting public libraries. Tully crafted these memories into a dark and astonishing chronicle of the American underclass--especially in his second book, Beggars of Life, an autobiographical novel published in 1924....