1. Fear and Loathing of Fidel Castro: Sources of US Policy towards Cuba by Louis A. Perez Jr.
2. Politics and Society, 1971-1986, The Cuban Revolution Origins, Course and Legacy by Marifeli Perez-Stable
3. Transformations in Cuban nueva Trova, 1965-1995 by Robin Moore
4. Proper Conduct - Reinaldo Arenas, Fidel Castro, and the politics of Homosexuality by Brad Epps
^I really recommend this fourth one, its an excellent analysis of the persecution of homosexuals in Cuba up till 1976