The Automobile Girls at Washington; Or, Checkmating the Plots of Foreign Spies - Laura Dent Crane - Bog

Barbara Thurston stood at the window of a large old-fashioned house, looking out into Connecticut Avenue. It was almost dark. An occasional light twinkled outside in the street, but the room in which Barbara was stationed was still shrouded in twilight. Suddenly she heard a curtain at the farther end of the drawing-room rustle faintly.