"The Woman in the Window" is a psychological thriller novel by A.J. Finn, published in 2018. The story follows Anna Fox, an agoraphobic woman who spends her days observing her neighbors from her window. When she believes she witnesses a crime in the house across the street, her life spirals into a web of paranoia and uncertainty. The novel explores themes of isolation, trauma, and the reliability of perception. As Anna investigates the events she thinks she has seen, she confronts her own fears and the secrets of those around her, leading to a gripping and suspenseful narrative.