The Papers of Martin Luther King, Jr. has become the definitive record of the most significant correspondence, sermons, speeches, published writings, and unpublished manuscripts of one of America's best-known advocates for peace and justice. Threshold of a New Decade, Volume V of the planned fourteen-volume series, illustrates the growing sophistication and effectiveness of King and the organizations he led while providing an unparalleled look into the surprising emergence of the sit-in protests that sparked the social struggles of the 1960s.