Samuel Guy Endore, born Samuel Goldstein and also known as Harry Relis, was an American novelist and screenwriter. During his career he produced a wide array of novels, screenplays, and pamphlets, both published and unpublished. A cult favorite of fans of horror, he is best known for his novel The Werewolf of Paris (1933), which occupies a significant position in werewolf literature, much in the same way that Dracula (1897) does for vampire literature. Endore is also known for his left-wing novel of the Haitian Revolution, Babouk: The Story of A Slave. He was nominated for a screenwriting Oscar for The Story of G.I. Joe (1945), and his novel Methinks the Lady. .. (1946) was the basis for Ben Hecht's screenplay for Whirlpool (1949).

The Story of G.I. Joe, also credited in prints as Ernie Pyle's Story of G.I. Joe, is a 1945 American war film directed by William A. Wellman and starring Burgess Meredith and Robert Mitchum. The film was nominated for four Academy Awards, including Mitchum's only career Oscar nomination.