| Title | Publisher | Date | Issue Points - Notes |
| Wilders Walk Away | Heinemann | 1949 | |
| The Darker the Night | Heinemann | 1950 | |
| Murder Now and Then | Heinemann | 1952 | US: Hardly a Man is now Alive |
| The Clock Strikes Thirteen | Heinemann | 1954 | |
| Collar for the Killer | Heinemann | 1957 | US: A Matter of Fact |
| The Traces of Brillhart | Heinemann | 1961 | |
| The Traces of Merrilee | Morrow | 1966 | No UK edition |
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Further Information |