Molly Thynne Books in Order

If you want the Dr Constantine mysteries in order: The Crime at the Noah's Ark → Death in the Dentist's Chair → He Dies and Makes no Sign
If you like snowed-in Christmas puzzles: The Crime at the Noah's Ark
If you want a classic locked-room setup: Death in the Dentist's Chair
If you want the standalones first: The Draycott Murder Mystery / The Red Dwarf → The Murder on the Enriqueta / The Strangler → The Case of Sir Adam Braid
If you're curious about her earlier non-crime fiction: The Uncertain Glory

Molly Thynne was born Mary Harriet Thynne in Kensington, London, on July 25, 1881. She came from an upper-class family, and on her mother's side she was related to the painter James McNeill Whistler. That mix of privilege, art, and old social networks would matter later, because her fiction is very good on rooms full of people watching one another.

Books and conversation were around her early.

She grew up in Kensington and, while still young, crossed paths with literary figures such as Rudyard Kipling and Henry James. That does not automatically turn anyone into a novelist, of course, but it helps explain why her later books feel so comfortable around writers, artists, titled families, and people who know how to behave in company, until the pressure starts.

Her first novel, The Uncertain Glory, appeared in 1914, when she was in her early thirties. It was not a murder mystery at all. Instead, it followed a young artist between Munich and London and centered on romance, choice, and the messy business of deciding what kind of life to live. Even in that early book, you can see interests that stayed with her, travel, social detail, and people caught between feeling and duty.

Then she changed lanes.

In 1928 she turned to detective fiction with The Draycott Murder Mystery, also published as The Red Dwarf. Five more mysteries followed in quick succession, The Murder on the Enriqueta, also known as The Strangler, The Case of Sir Adam Braid, The Crime at the Noah's Ark, Death in the Dentist's Chair, and He Dies and Makes no Sign. It was a short burst of work, just six crime novels between 1928 and 1933, but it was a concentrated one, and the books cover a good range of classic mystery pleasures.

She was never just setting up a corpse and a notebook. Her best plots depend on social pressure as much as clues. A farmhouse in bad weather, a ship crossing from South America, a London flat, a snowbound inn, a dentist's surgery, these are not just backdrops in her books. They are places where class, money, inheritance, embarrassment, and old grievances get squeezed until someone breaks.

Readers who start with her now often begin with the Dr Constantine novels. Those three books introduce Dr Luke Constantine, a chess-minded amateur sleuth, and pair him with Detective Inspector Arkwright. The combination works well. Constantine notices the fine shades of character and motive, while Arkwright gives the stories their police backbone. The Crime at the Noah's Ark is a Christmas mystery full of snow and suspicion, Death in the Dentist's Chair offers a clever locked-room style setup, and He Dies and Makes no Sign moves into aristocratic family trouble, disappearance, and murder.

The earlier standalones are worth seeking out too. The Draycott Murder Mystery opens with a woman found dead in a farmhouse, The Murder on the Enriqueta begins with a killing on an ocean liner and widens into a threat against a wealthy young woman, and The Case of Sir Adam Braid builds around a difficult old artist, a will, and a crowded list of suspects. Across them all, Thynne writes with a sharp eye for how respectable people talk, hedge, and hide.

Thynne never married. She enjoyed travelling abroad, but spent much of her life in Bovey Tracey, Devon, where she died on May 9, 1950. After He Dies and Makes no Sign, no more novels followed. That makes her bibliography small, but it also makes it easy to read the whole thing and see just how much she could do inside a very compact career.