The first biography of the vagabond, hard-boiled writer who rocked Hollywood during the Roaring Twenties The son of an Irish ditch-digger, Jim Tully (1886–1947) 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…