Septimus Finch
And Being Dead (1939)
     aka The Limping Man / The Painted Mask
The Whispering House (1947)
     aka The Voice of the House
I Knew MacBean (1948)
     aka Caravan of Night
Give Up the Ghost (1949)
The Disappearing Bridegroom (1950)
     aka The Silver Ladies
Death of Our Dear One (1952)
     aka Look Behind You, Lady / Don't Look Behind You
Dead By Now (1953)
Fatal Relations (1955)
     aka The Dead Don't Speak / Old Mrs. Ommanney Is Dead
The Voice of Murder (1956)
Sleep No More (1958)
The House of the Enchantress (1959)
     aka A Graveyard Plot
The Woman At Belguardo (1961)
The Women At Belguardo (1961)
The House in Belmont Square (1963)
     aka No. 9 Belmont Square
Take A Dark Journey (1965)
     aka The Family At Tammerton
Case with Three Husbands (1967)
The Ewe Lamb (1968)
The Case of Mary Fielding (1969)
The Brood Of Folly (1971)
Besides the Wench Is Dead (1973)
Harriet Farewell (1975)
The House in Hook Street (1977)

Cold Poison / Dead By Now / Beat Back the Tide (1954) (with Dolores Hitchens and Stuart Palmer)
The Last Straw / The Pale Door / The Dead Don't Speak (1955) (with Doris Miles Disney and Lee Roberts)