Premise: Seven Ways from Sundown is a 1960 American Eastmancolor Western film directed by Harry Keller and starring Audie Murphy and Barry Sullivan. It is based on the novel of the same name by Clair Huffaker, who also wrote the script. Young cast member Teddy Rooney is the son of actors Mickey Rooney and Martha Vickers.
Hypothesis: Clair Huffaker wrote the book in 1960.