Mr. Potter
Death and Mr. Potter (1955)
     aka The Peacock Is a Bird of Prey
The Last Gamble (1956)
Run For Your Life (1957)
Where is Mary Bostwick? (1958)
     aka Escape to Fear
Dangerous to Me (1959)
It's Murder, Mr. Potter (1961)
     aka Curtain Call
Repent At Leisure (1962)
     aka The Deadly Noose
Back Door to Death (1963)
     aka Nightmare Honeymoon
Fatal Lady (1964)
Call It Accident (1965)
Calculated Risk (1970)

No Tears for the Dead (1948)
Girl from Nowhere (1949)
The Hundredth Door (1950)
Bones of Contention (1950)
     aka The Other Woman
An Ape in Velvet (1951)
     aka The Velvet Web
Wake the Sleeping Wolf (1952)
     aka Don't Kill, My Love
Dark Intent (1954)
The Man in the Shadow (1954)
Madness in the Spring (1954)
Suffer a witch (1965)
Scared to death (1966)
Wild Night (1966)
Fear of a Stranger (1967)
The Shelton Conspiracy (1968)
Malice Domestic (1969)
Nightmare House (1969)
No Hiding Place (1970)
Girl on a High Wire (1971)
This Woman Wanted (1972)
Ominous Star (1973)
Trust a Woman (1973)
     aka Trust a Woman?
The Brownstone House (1974)
     aka Murder by Bequest
The First Mrs. Winston (1974)
Sleep Without Morning (1974)
Reckless Lady (1975)
One O'Clock at the Gotham (1975)
The Dark Hill (1976)
The Barclay Place (1976)
Where Helen Lies (1977)
The Slippery Step (1977)
Put Out the Light (1977)
The Girl Who Had Everything (1978)

Never Say Die / The Bachelor (1950) (with Arthur Upfield)
Beware the Curves / Last Gamble / Mark Three for Murder (1957) (with A A Fair and Robert P Hansen)
The Canvas Dagger / Run for Your Life / Murder of Whistler's Brother (1957) (with David Alexander and Helen Reilly)
Reckless Lady / Conquest Before Autumn / Born to Be Hanged (Detective Book Club) (1973) (with M E Chaber, Matthew Eden)
Case of the Fenced-In Woman / First Mrs Winston / Gideon's Men (1974) (with Erle Stanley Gardner and J J Marric)
Etruscan Smile / Slippery Step / Recoil (1976) (with Brian Garfield and Velda Johnson)