
Part of Series
Mary Roberts Rinehart was known as the American Agatha Christie for her many short stories and novels of mystery and suspense. Locked Doors is the second of her Nurse Hilda Adams stories. Nurse Adams is charged with the care of two young boys in a home full of conundrums. Both parents are fearful but refuse to leave their home and won't say why. The rugs have been rolled up and the furniture piled into the middle of each room. Their anxiety is catching, as Miss Adams too furtively watches for danger as she searches for clues. Why, she wonders, do they lock every door in the house? And who or what is the menace that terrifies them?
Author

Mysteries of known American writer Mary Roberts Rinehart include The Circular Staircase (1908) and The Door (1930). People often called this prolific author often the American version of Agatha Mary Clarissa Christie. She, considered the source, used not the phrase "The butler did it," and people also consider that she invented the "Had-I-But-Known" school of mystery writing. Rinehart wrote hundreds of short stories, poems, travelogues, and special articles. People adapted many of her books and plays for movies, such as The Bat (1926), The Bat Whispers (1930), and The Bat (1959). Amid many of her best-selling books, critics most appreciated her murder mysteries. https://en.wikipedia.org/wiki/Mary\_Ro...