The first biography of the revolutionary political prisoner who laid the foundation for contemporary abolitionist struggles and Black anarchism. A Continuous Struggle is a political biography of one of the most important--if since forgotten--revolutionary figures of the twentieth century in the United States. Martin Sostre (1923-2015) was a Black Puerto Rican from East Harlem who became a politicized prisoner and jailhouse lawyer, winning cases in the early 1960s that helped secure the constitutional rights of incarcerated people. He opened one of the country's first radical Black bookstores and was scapegoated and framed by police and the FBI following the Buffalo rebellion of 1967. He was sentenced by an all-white jury to thirty-one to forty-one years. Throughout his nine-year imprisonment, Sostre transformed himself and the revolutionary movements he was a part of, eventually identifying as a revolutionary anarchist and laying the foundation for contemporary Black anarchism. During