Craig Allen Johnson is an American author who writes mystery novels. He is best known for his Sheriff Walt Longmire novel series. The books are set in northern Wyoming, where Longmire is sheriff of the fictional county of Absaroka. The series debuted in 2004 and as of September 2019, Johnson has written 15 novels, two novellas, and many short stories featuring Longmire. Some of the novels have been on The New York Times Best Seller list. In 2012, Warner Horizon adapted the novels for a television series.