"Joe Hill's influence is everywhere. Without Joe Hill, there's no Woody Guthrie, no Dylan, no Springsteen, no Clash, no Public Enemy, no Minor Threat, no System of a Down, no Rage Against the Machine."—Tom Morello, from the forewordRadical songwriter and organizer Joe Hill was murdered by the capitalist state in 1915, but his songs continue to inspire working-class activists and musicians. In this collection of letters, assembled by radical historian Philip Foner with new material by Alexis Buss, readers are provided a window into the political reflections and personal struggles behind Hill's legend.