This is one of four volumes which constitute a history of a pioneer inner city youth project in a Puerto Rican slum in New York City: Mobilization For Youth, a multi-discipline social agency geared to demonstration, research and social action in eradicating poverty and its attendant ills. The volume discusses techniques and methods which account for the successes and failures in the fields covered. Topics include: (1) an overview of the community development program; (2) a case history of a block association; (3) the housing program 1962-1967; (4) consumer affairs programs; (5) voter registration campaigns; (6) organization of welfare clients; (7) attacks on the project; (8) problems in maintaining stability in low income social action organizations, and (9) social action in a social work context. (dm)