Bunny Lake Is Missing is a 1957 novel by Merriam Modell (writing as Evelyn Piper) set in New York City.
The novel was adapted as a film in 1965, directed by Otto Preminger and starring Laurence Olivier, Carol Lynley, Keir Dullea, Martita Hunt and Noël Coward. The locale was changed from New York to London and the ending was changed.