Title: Masterpieces of Murder (And Then There Were None / Death on the Nile / The Murder of Roger Ackroyd / Witness for the Prosecution)
Description: Contains:

 - [And Then There Were None](https://openlibrary.org/works/OL472814W/And_Then_There_Were_None)
 - Death on the Nile
 - [The Murder of Roger Ackroyd](https://openlibrary.org/works/OL472086W/The_Murder_of_Roger_Ackroyd)
 - Witness for the Prosecution
Subjects: cyanide poisoning, chloral hydrate, potassium cyanide, Scotland Yard, coroners, message in a bottle, Roman policier, French language materials, Lectures et morceaux choisis, Detective and mystery stories, Mystery fiction, murder, Fiction, Millionaires, Murder victims, Islands, Millionaires in fiction, Murder victims in fiction, Islands in fiction, English Detective and mystery stories, detective fiction, mystery, investigation, victim, Private investigators, Mystery & Detective fiction, historical fiction, crime fiction, Unreliable Narrator, Belgians
Places: Belgium, England, King's Abbot, Fernly Park, Devon (England), Devon
People: U.N.Owen, Anthony James Marston, Ethel Rogers, John Gordon MacArthur, Thomas Rogers, Emily Caroline Brent, Edward George Armstrong, William Henry Blore, Philip Lombard, Vera Elizabeth Claythorne, Lawrence John Wargrave, Isaac Morris, Fred Narracott, Thomas Legge, Inspector Maine, Hercule Poirot, James Sheppard, Inspector Davis, Inspector Raglan, Colonel Melrose, Roger Ackroyd, Mrs Ferrars, Cecil Ackroyd, Flora Ackroyd, Ralph Paton, Hector Blunt, Geoffrey Raymond, John Parker, Elizabeth Russell, Ursula Bourne, Charles Kent, Caroline Sheppar, Mrs Folliott, Mr Hammond, Ship steward
Time periods: 1930s