Pulitzer Prize winning author, Nelle Harper Lee, has died at the age of 89, according to family members.
Lee was best known for her novel To Kill a Mockingbird, which helped give context to racial injustices in the American deep south. The book was published in 1960 and won a Pulitzer Prize for fiction the following year.
To date the novel has sold over 40 million copies worldwide, according to publisher HarperCollins.
The film adaption of To Kill a Mocking Bird was released in 1962 and starred Gregory Peck and Mary Badham. It is currently ranked by the American Film Institute as one of the best films ever made.