Question: The Grass Harp is a novel by an American novelist, screenwriter, playright, and actor, whose classics include what 1958 novella?
Sentence (from "Jack Matthews (author)"): He has often made 19th century America and the Civil War period the setting for his fiction, starting with his 1981 novel Sassafras and most recently with the 2011 novel Gambler's Nephew (which tells the story of how an abolitionist accidentally kills an escaped slave) and a 2015 story collection Soldier Boys: Tales of the Civil War.
Relevant evidence: No