Determine if the sentence is true based on the text below:
Wide Sargasso Sea is the only book that Jean Rhys wrote

Jean Rhys, CBE ( ; 24 August 1890 – 14 May 1979), born Ella Gwendolyn Rees Williams, was a mid-20th-century novelist who was born and grew up in the Caribbean island of Dominica, though she was mainly resident in England from the age of 16. She is best known for her novel "Wide Sargasso Sea" (1966), written as a prequel to Charlotte Brontë's "Jane Eyre".
It's impossible to say