Detective Orloff
1. Still Waters Run Deadly (1987)
2. Bloody Festival (1991)

Dangerous Refuge (1966)
Taste of Murder (1966)
Deadly Return (1966)
Perilous Love (1966) (writing as Mary Turner)
Shroud Of Canvas (1967)
Danger Merchant (1968)
The Queen Dies First (1968)
Killer's Laughter (1968)
Let the Witness Die (1969)
Point of Death (1969)
Watcher on the Shore (1972)
Contract for Death (1972) (writing as Daniel Ingham)
Come Back and Die (1972)
Grip of Fear (1974)
The Justice Hunt (1975) (writing as Mary Turner)
So Bright a Lady (1977) (writing as Mary Turner)
The Identity Trap (1978)
Blood Ties (1987)
Legami Di Sangue (1988)
Past Tense (1988)
Rooney's Gold (1991)
The Flower of Violence (1992)