The Window at the White Cat by Mary Roberts Rinehart.

The Window at the White Cat by Mary Roberts Rinehart.  
"The Window at the White Cat" by Mary Roberts Rinehart is a detective novel written in the early 20th century. The story revolves around a lawyer, John Knox, who finds himself involved in a complex case when a young woman named Margery Fleming seeks his help to locate her missing father, Allan Fleming, a state treasurer. As the narrative unfolds, it becomes clear that this case is intertwined with political intrigue and potential danger, as Margery fears for her father's safety amidst powerful adversaries. At the start of the novel, the reader is introduced to Knox's office where he receives Margery's urgent plea for assistance. Margery explains that her father has inexplicably vanished, leaving behind a series of perplexing clues that hint at a deeper mystery. Together, they explore the unsettling circumstances surrounding Allan's disappearance, which coincides with strange events in their household, including the unsettling