"Fifty years ago, a single bullet robbed us of one of the world's most eloquent voices for human rights and justice. [This book] goes beyond the iconic view of Martin Luther King Jr. as an advocate of racial harmony, to explore his profound commitment to the poor and working class and his call for 'nonviolent resistance' to all forms of oppression--including the economic injustice that 'takes necessities from the masses to give luxuries to the classes.'...