The Singing Shadows (1940)
The Laughing Ghost (1943)
We Are for the Dark (1944)
The Schoolmaster's Daughter (1946)
     aka The Daughters of Ardmore Hall
Summer Sunday (1946)
Walk Into My Parlour (1947)
Crow Hollow (1950)
Voice of the Dolls (1950)
Cat's Prey (1952)
     aka Let Us Prey
Lamb to the Slaughter (1953)
     aka The Brooding Lake
Bride by Candlelight (1954)
Darling Clementine (1955)
Death Is a Red Rose (1956)
The Pretty Ones (1957)
Listen to Danger (1958)
The Deadly Travellers (1959)
The Sleeping Bride (1959)
An Afternoon Walk (1960)
Sleep in the Woods (1960)
Samantha (1960)
     aka Lady of Mallow
Afternoon for Lizards (1961)
     aka Bridge of Fear
Face of An Angel (1961) (writing as Mary Paradise)
Whistle for the Crows (1962)
Shadow of A Witch (1962) (writing as Mary Paradise)
The Bird in the Chimney (1963)
     aka Darkwater
Bella (1964)
     aka Ravenscroft
The Marriage Chest (1965)
Never Call it Loving (1966)
Siege in the Sun (1967)
Winterwood (1967)
The Shadow Wife (1968)
The Vines of Yarrabee (1969)
Waiting for Willa (1970)
Melbury Square (1970)
Speak to Me of Love (1972)
The Millionaire's Daughter (1974)
The Time of the Dragon (1975)
The Salamanca Drum (1977)
The Storrington Papers (1978)
The American Heiress (1980)
An Important Family (1982)