Pollard and Toye
1. Death of an Old Girl (1967)
2. The Affacombe Affair (1968)
3. Alibi for a Corpse (1969)
4. Death on Doomsday (1971)
5. Cyanide With Compliments (1972)
6. Let or Hindrance (1973)
     aka No Vacation from Murder
7. Buried in the Past (1974)
8. Step in the Dark (1976)
9. Unhappy Returns (1977)
10. Suddenly While Gardening (1978)
11. Change for the Worse (1980)
12. Nothing to Do with the Case (1981)
13. Troubled Waters (1982)
14. The Wheel Turns (1983)
15. Light Through the Glass (1984)
16. Who Goes Home? (1987)
17. The Glade Manor Murder (1988)