[PAR] [TLE] Agatha Christie [SEP] Dame Agatha Mary Clarissa Christie, Lady Mallowan, DBE ("née" Miller; 15 September 1890 – 12 January 1976) was an English crime novelist, short story writer and playwright.  She is best known for her 66 detective novels and 14 short story collections, particularly those revolving around her fictional detectives Hercule Poirot and Miss Marple.  She also wrote the world's longest-running play, a murder mystery, "The Mousetrap", and six romances under the name Mary Westmacott.  In 1971 she was elevated to Dame Commander of the Order of the British Empire (DBE) for her contribution to literature. [PAR] [TLE] The Lacquered Box [SEP] The Lacquered Box (French: Le coffret de laque) is a 1932 French crime film directed by Jean Kemm and starring Danielle Darrieux.  It was based on Agatha Christie's play "Black Coffee" which had been turned into a British film the previous year.
[PAR] [TLE] Agatha Christie [ SEP ] Dame Agatha Mary Clarissa Christie , Lady Mallowan , DBE ( " née " Miller ; 15 September 1890 – 12 January 1976 ) was an English crime novelist , short story writer and playwright . She is best known for her 66 detective novels and 14 short story collections , particularly those revolving around her fictional detectives Hercule Poirot and Miss Marple . She also wrote the world 's longest - running play , a murder mystery , " The Mousetrap " , and six romances under the name Mary Westmacott . In 1971 she was elevated to Dame Commander of the Order of the British Empire ( DBE ) for her contribution to literature . [PAR] [TLE] The Lacquered Box [ SEP ] The Lacquered Box ( French : Le coffret de laque ) is a 1932 French crime film directed by Jean Kemm and starring Danielle Darrieux . It was based on Agatha Christie 's play " Black Coffee " which had been turned into a British film the previous year .
How many detective novels did the author of the play Black Coffee write ?
How many detective novels did the author of the play Black Coffee write ?
66
66