1930 Black Coffee
(Novelised by Charles Osborne in 1998 as Black Coffee)
1943
And Then There Were None
(Based on the 1939 novel Ten Little Niggers)
1945
Appointment with Death
(Based on the 1938 novel Appointment with Death)
1946
Murder on the Nile/Hidden Horizon
(Based on the 1937 novel Death on the Nile)
1951
The Hollow
(Based on the 1946 novel The Hollow)
1952
The Mousetrap 
(Based on the 1948 short story Three Blind Mice)
1953
Witness for the Prosecution 
(Based on the short story The Witness for the Prosecution)
1954
Spider's Web
(Novelised by Charles Osborne in 2000 as Spider's Web)
1956
A Daughter's a Daughter
(Written as a play in the late 1930s. Performed professionally once. Unpublished but turned into the 1952 Mary Westmacott novel A Daughter's a Daughter)
1956
Towards Zero 
(Based on the 1944 novel Towards Zero)
1958
Verdict
1958
The Unexpected Guest 
(Novelised by Charles Osborne in 1999 as The Unexpected Guest)
1960
Go Back for Murder
(Based on the 1942 novel Five Little Pigs)
1962
Rule of Three
(Comprising Afternoon at the Seaside, The Rats and The Patient)
1972
Fiddler's Three
(Originally written as Fiddler's Five. Unpublished.)
1973
Akhnaton
(Written in 1937)
2003
Chimneys
(Written in 1931, but unperformed for 72 years. Based on the 1925 novel The Secret of Chimneys. Unpublished.)