LOUISVILLE, KY (WAVE) – Mystery author Sue Grafton has died at the age of 77.
Grafton died Thursday evening, according to family friend Steve Bass.
Grafton, a Louisville native, was best known for her "alphabet" series featuring her character Kinsey Millhone.
Louisville Mayor Greg Fischer issued a statement on Grafton's death via Twitter.
Her last book in the series "Y is for Yesterday" was released in August.