Arthur B. Reeve wrote a detective book titled "The Film Mystery," which was originally released in 1921. Craig Kennedy, the well-known fictional investigator created by the author, uses scientific methods to solve murders in this narrative. Kennedy looks into a murder that happens during a movie shoot in this particular case. The story revolves around the filming of a movie in which Stella Lamar, a well-known actress, is killed on location. Kennedy is brought in to solve the case, and he uses his creative forensic methods and scientific understanding to solve the puzzle. Kennedy discovers a labyrinth of mystery, rivalry, and covert agendas among the actors and staff as he dives deeper into the film industry. The splendour and drama of the early cinema industry are combined with elements of the classic detective fiction in this novel. It keeps the suspenseful murder mystery plot going while delving into the behind-the-scenes dynamics of Hollywood at that time. Kennedy's scientific aptitude and deductive reasoning enable the author to tell an exciting story that holds the reader's interest through to the case's satisfying conclusion. "The Film Mystery" combines science, mystery, and the fascination of early 20th-century filmmaking in a compelling way.