Mary Roberts Rineheart
HILDA ADAMS Series:
Main Character: Hilda Adams, Nurse

1. Miss Pinkerton   '32
2. Mary Roberts Rinehart's Crime Book   '33
3. Haunted Lady   '42
4. Episode of the Wandering Knife   '50 (aka The Wandering Knife)

Locked Doors

STAND ALONES:

The Circular Staircase   1908 (aka The Bat)
The Man in Lower Ten  1909
The Window at the White Cat  1910
Where There's a Will  1912
The Case of Jennie Brice    1913
The After House   1914
Dangerous Days   1919
The Red Lamp   '25
The Bat   (I found different sources with different dates on this play... from '20 to '26, even '32! It was co written w/ Avery Hopwood, and I even read somewhere that it was based on The Circular Staircase....)
Two Flights Up   '28
The Door   '30
The Album   '33
The State Vs. Elinor Norton   '33
The Wall  '38
The Great Mistake   '40
The Yellow Room   '45
The Swimming Pool  '52
The Frightened Wife   '53
The Light in the Window
Lost Ecstasy