sentences:  Other important literary allusions in the novel include references to James Joyce, Franz Kafka, Antoine de Saint Exupéry, Leo Tolstoy, Rubén Darío and Pablo Neruda.Although he is never directly mentioned, the novel also alludes to Isaac Bashevis Singer in that Leo's son's name is Isaac and Alma's last name is Singer.Also, Basque writer Miguel de Unamumo published a short story in Spanish, A History of Love, with similar themes to the novel.