Strange Paradise
1. Strange Paradise (1969)
2. Island of Evil (1970)
3. Raxl, Voodoo Priestess (1970)

The Dark Rider (1961) (writing as Geraldine Thayer)
Island Nurse (1964)
World's Fair Nurse (1964)
No Tears Tomorrow (1964) (writing as Helaine Ross)
From Torment to Rapture (1964)
The Sins of Tonia (1964)
Cliffside Castle (1965)
Dance in Darkness (1965)
The Lily Pond (1965)
Marriott Hall (1965)
Mostly By Moonlight (1965)
Shadow Glen (1965)
The Unguarded (1965)
Darkhaven (1965)
The Leland Legacy (1965)
The Mistress of Falcon Hill (1965)
The Tower Room (1965)
Bride of Lenore (1966) (writing as Cynthia Kavanaugh)
Cruise Ship Nurse (1966)
Dark Villa (1966)
The Deception (1966) (writing as Cynthia Kavanaugh)
Knight in Red Armor (1966)
The Last of the Mansions (1966)
The Marble Leaf (1966)
Mystic Manor (1966)
Nurse At Danger Mansion (1966)
Survivor of Darkness (1966)
The Templeton Memoirs (1966)
This Ancient Evil (1966)
The Eagle's Nest (1967)
House of False Faces (1967)
House of the Seven Courts (1967)
Mansion of Lost Memories (1967)
     aka House of Stolen Memories
Screen Test For Laurel (1967)
The Sevier Secrets (1967)
Traitors Road (1967)
Affair in Marrakesh (1968)
Blue Devil Suite (1968)
Candle in the Sun (1968)
Duet (1968)
Lady of the Shadows (1968)
The Carson Inheritance (1969)
Shadows of tomorrow (1969)
The Tormented (1969)
Voice on the Wind (1969)
Affair in Hong Kong (1969)
The Spanish Chapel (1969)
The Apollo Fountain (1970)
The Attic Rope (1970)
The Curse Of Mallory Hall (1970)
Journey Into Terror (1970)
The Man from Yesterday (1970)
The Marble Angel (1970)
The Raging Waters (1970)
A Web of Peril (1970)
Willow Weep (1970)
The Dark Stage (1970)
Emerald Hill (1970)
The Unearthly (1970)
Diablo Manor (1971)
The Beaumont Tradition (1971)
The Bell (1971)
Conover's Folly (1971)
Witch's Castle (1971)
The House of Many Doors (1971)
Castle Morvant (1972)
Dark Island (1972)
The Dueling Oakes (1972) (writing as Daniella Dorsett)
The House of Broken Dolls (1972)
The Maya Temple (1972)
Portrait of a Witch (1972)
The House on Circus Hill (1972)
The Lanier Riddle (1972)
The Larabee Heiress (1972)
The Caldwell Shadow (1973)
The Cauldwell Shadow (1973)
The Duncan Dynasty (1973)
The Guardian of Willow House (1973)
Hills of Fire (1973)
Image of a Ghost (1973)
The Possession of Tracy Corbin (1973)
The Silent Halls of Ashenden (1973)
The Stone House (1973)
Jade Green (1973)
The Prisoner of Malville Hall (1973)
The Two Worlds of Peggy Scott (1974)
Ghost Song (1974)
Island of Bitter Memories (1974)
Child Of Darkness (1974)
The Marble Hills (1975)
The Possessed (1975)
Shadow of a Man (1975)
Blackthorn (1975)
Night Shade (1975)
Illusion at Haven's Edge (1975)
The Unlamented (1975)
Dark Heritage (1976)
The Summer House (1976)
Terror of the Twin (1976)
Twilight At The Elms (1976)
Circle of Guilt (1976)
The Vineyard Chapel (1976)
Whistle in the Wind (1976)
Nightfall (1976)
Poison Flower (1977)
The Wines of Cyprien (1977)
A Woman in Silk and Shadows (1977)
A Mirror of Shadows (1977)
In the Shadows (1978)
The Lonely Place (1978)
Perrine (1978)
Hermitage Hill (1978)
Magic Ring (1978)
Juniper Hill (1978)
The Cormac Legend (1979)
Valley of Shadows (1979)
Yesterday's Evil (1979)
Veil of Treachery (1979)
Bridal Black (1980)
Nicola (1980)
The Purple and the Gold (1980)
Monte Carlo (1981)
Saratoga (1981)
Sisters of Valcour (1981)
House of Silence (1981)
For Love and Valcour (1983)
Crisis at Valcour (1985)