Parker Pyne Investigates ~Agatha Christie Pan Books (1968) (Original publication date 1934) Parker Pyne Investigates ~Agatha Christie Berkley (April 1984) (Original publication date 1934) Mr. Parker Pyne, Detective ~Agatha Christie Dell #R109 (February 1962) (Original publication date 1934) Reviewed on my blog: My Reader's Block Parker Pyne Investigates ~Agatha Christie Fontana (1975) (Original publication date 1934)