Ramón Eduardo Ruiz: Cuba—The Making of a Revolution (New York, W. W. Norton, 1970, $1.65). Pp. 190.Andrés Suárez: Cuba: Castroism and Communism, 1959–1966 (Massachusetts and London, 1969, $2.45). Pp. 266.D. Bruce Jackson: Castro, the Kremlin, and Communism in Latin America (Baltimore, The Johns Hopkins Press, 1969, $2.45). Pp. 163.Leo Huberman and Paul M. Sweezy: Socialism in Cuba (New York and London, Monthly Review Press, 1969, £2.70). Pp. 221.