Nelle Harper Lee, the Pulitzer Prize-winning author of To Kill a Mockingbird — one of the most beloved American novels of the 20th century — died Friday in Alabama. The news was first reported by AL.com, a local newspaper.

Lee was 89.A city hall spokesperson in Monroeville, Alabama, Lee’s hometown, confirmed to Mashable that Lee had died on Friday, but could not immediately provide any additional information.

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