"They Do It with Mirrors" is a gripping crime novel by Agatha Christie that transports readers into the dark atmosphere of a Victorian manor. The story unfolds as Ruth Van Rydock, concerned for her sister's well-being, seeks the help of the famous detective Jane Marple. Stonygates, a place that serves both as a family home and a reform school for troubled youth, becomes the scene of a shocking crime. When a man is shot in the facility and another dies, Miss Marple must confront a variety of suspects, each with their own secrets and motives. Christie's masterful storytelling and the intricate plot keep readers on the edge of their seats until the very last page as they attempt to solve the mystery and uncover the truth behind the mirrors.