 She was listed in the 1994 "Guinness World Records" as having sold the most books written in Spanish, and earlier in 1962 UNESCO declared her the most read Spanish writer after Miguel de Cervantes.Her novels were different from other contemporary Western European romantic writers' works because she usually set them in the present and didn't use eroticism, due to the Spanish regime's strict censorship.Her style was direct and her characters were simply presented.