Charles Blessington series

• Disappearance of Dr. Bruderstein (1949)
• Mr. Blessington's Imperialist Plot (1951)
• Two Died in Singapore (1954)
• Vote Against Poison (1956)

Celia Grant series

• Green Trigger Fingers (1984)
• A Botanist at Bay (1985)
• The Mantrap Garden (1986)
• Flowers of Evil (1987)
• Menacing Groves (1988)
• A Bouquet of Thorns (1989)
• The Sunflower Plot (1990)
• The Hanging Garden (1992)
• Creeping Jenny (1993)
• Bones Gather No Moss (1994)
• Shady Borders (1996)

Other novels

• Ambush for Anatol (1952) (US title: Murder of a Mistress)
• Undiplomatic Exit (1958); shortlisted for Gold Dagger Award
• Half Hunter (1961) (US title: The Sleuth and the Liar)
• Honesty Will Get You Nowhere (1977)
• The Limericks of Lachasse (1978)
• Hour of the Hyenas (1979)
• A Shot in the Arm (1982) (US title: Death at the BBC)