 Douglas Malcom Jackson Clark was born in Lincolnshire. He was educated at the University of London. During World War II, he served with the Royal Horse Artillery. He is the creator of 'George Masters', a Scotland Yard Detective Superintendent. He also wrote under the pseudonym 'James Ditton'. |
Titles and year of publication:
| 1) Nobody's Perfect | 1969 |
| 2) Death After Evensong | 1969 |
| 3) Deadly Pattern | 1970 |
| 4) Sweet Poison | 1970 |
| 5) Sick to Death | 1971 |
| 6) Premedicated Murder | 1975 |
| 7) Dread and Water (Also published as: Bitter Water [1990]) | 1976 |
| 8) Table d'Hote | 1977 |
| 9) The Gimmel Flask | 1977 |
| 10) The Libertines | 1978 |
| 11) Heberden's Seat | 1979 |
| 12) Poacher's Bag | 1980 |
| 13) Golden Rain | 1980 |
| 14) Roast Eggs | 1981 |
| 15) The Longest Pleasure | 1981 |
| 16) Shelf Life | 1982 |
| 17) Doone Walk | 1982 |
| 18) Vicious Circle | 1983 |
| 19) The Monday Theory | 1983 |
| 20) Bouquet Garni | 1984 |
| 21) Dead Letter | 1984 |
| 22) Jewelled Eye | 1985 |
| 23) Performance | 1985 |
| 24) Storm Centre | 1986 |
| 25) The Big Grouse | 1986 |
| 26) Plain Sailing | 1987 |
| As 'James Ditton' | |
| 1) You're Fairly Welcome | 1973 |
| 2) The Bigger They Are | 1973 |
| 3) Escapemanship | 1975 |
| 4) Copley's Hunch | 1980 |