Octavus Roy Cohen was an American author, who became popular as a result of his stories, concerned themselves with African-Americans. During his lifetime he published 56 books, works that included humorous and detective novels, plays and short stories, which have been adapted to the stage and screen many times. “Gray Dusk” is a detective story, published in 1920. In it we meet the unique and human detective, David Carroll. A bride on her honeymoon in a remote North Carolina Lodge is brutally murdered, and all signs point to her new husband. Detective David Carroll, the groom's best friend, is determined to prove the man's innocence. We present you the story, written by the recognized master of detective genre. There is a mysterious plot, of course, and the breathless interest of the narrative will please all lovers of a good mystery story. Enjoy the reading!