Josephine Tey is the pseudonym of Elizabeth MacKintosh, who also published under the name of Gordon Daviot.
Main Character: Inspector Alan Grant of Scotland Yard
Setting: England and Scotland
Bold type indicates a book I've read.
The Man in the Queue (1929), writing as Gordon Daviot
A Shilling for Candles (1936)
The Franchise Affair (1948)
To Love and Be Wise (1950)
The Daughter of Time (1951)
The Singing Sands (1952)