Does the sentence "In 1847 Sand published her novel Lucrezia Floriani, whose main charactersa rich actress and a prince in weak healthcould be interpreted as Sand and Chopin; the story was uncomplimentary to Chopin, who could not have missed the allusions as he helped Sand correct the printer's galleys." answer the question "What was the name of Sand's book where the main characters can be interpreted as Sand and Chopin?"
yes