In the novel They do it with Mirrors, Stephanie is the maid of Ruth Van Rydock. Stephanie is described as elderly, grey-haired and with a small pinched mouth. In the beginning of the novel, Stephanie helps Mrs Van Rydock with dressing, taking of her gown, and then being dismissed. Mrs Van Rydock says to Miss Marple that Stephanie has been with her for thirty years and that she's the only woman who knows what Mrs Van Rydock likes.