Re-enter Sir John is a 1932 British crime novel written by Clemence Dane and Helen Simpson. It was the sequel to the 1928 novel Enter Sir John, which had been adapted into a film Murder! by Alfred Hitchcock. The book continues the adventures of the actor-manager Sir John Saumarez.White p.82
References
Bibliography White, Terry. Justice Denoted: The Legal Thriller in American, British, and Continental Courtroom Literature. Praeger, 2003.