sentences:  She is best known for her two novels, "El libro vacío" (‘The empty book;’ published first in Spanish in 1958 and in English in 1992) and "Los años falsos" (‘The false years;’ first published in Spanish in 1982 and in English in 1989) and for her pioneering contributions to twentieth-century Mexican politics and political thought through her activism and journalism.She also authored several screenplays, many of which were produced and released as widely viewed films.She was born in Villahermosa, Tabasco state but lived most of her adult life in Mexico City.