Along a Dark Path (1967)
A Howling in the Woods (1968)
I Came to a Castle (1971)
     aka Castle Perilous
The People On the Hill (1971)
     aka Circle of Evil
Phantom Cottage (1971)
The Late Mrs. Fonsell (1972)
The Light in the Swamp (1972)
The Face in the Shadows (1973)
House Above Hollywood (1974)
I Came to the Highlands (1974)
Masquerade in Venice (1974)
The White Pavilion (1974)
The Mourning Trees (1974)
A Room with Dark Mirrors (1975)
The House On the Left Bank (1975)
Deveron Hall (1976)
The Frenchman (1977)
The Etruscan Smile (1977)
Never Call It Love (1978) (writing as Veronica Jason)
Presence in an Empty Room (1980)
The Stone Maiden (1980)
The Fateful Summer (1981)
People from the Sea (1981)
Silver Dolphin (1981)
Hour Before Midnight (1981)
So Wild a Heart (1981) (writing as Veronica Jason)
Wild Winds of Love (1982) (writing as Veronica Jason)
The Other Karen (1983)
Voice in the Night (1984)
Shadow Behind the Curtain (1985)
Crystal Cat (1985)
Fatal Affair (1986)
The House on Bostwick Square (1987)
The Girl On the Beach (1987)
The Man At Windmere (1988)
Flight to Yesterday (1990)
The Underground Stream (1991)
House of Illusion (2001)

Dreadful Lemon Sky / House on the Left Bank / Herald of Doom (1973) (with Gordon Ashe and John D MacDonald)
Shadow Behind the Curtain / Light in the Swamp (1985)