Skywriting: a novel of Cuba

The heroine is Carmen Peregrin, daughter of an assassinated Cuban revolutionary. Brought up in the U.S., she goes to Cuba to meet her half-brother, Camilo, who soon after tries to escape to the U.S. by raft. He is captured and jailed, and the novel follows Carmen's efforts to obtain his release by a bribe, money for which she raises among rich ancestors in Spain. By the author of Singing to Cuba.