The Circular Staircase

Set in a summer house, the narrative centers on dowager Rachel Innes as she navigates a series of mysterious crimes alongside her niece and nephew. The plot unfolds with suspense and intrigue, showcasing Rinehart's skill in crafting captivating mysteries. As her first bestseller, this novel played a significant role in establishing her reputation as a leading writer of her time. Originally serialized in All-Story magazine, it was later published in book form in 1908, marking a pivotal moment in early 20th-century literature.