Билингвы — Уилки Коллинз

The Dead Secret was Collins's first full-length puzzle-romance. Moments from death, Mrs Treverton tells a secret, never to be passed to her husband. Years later, when her daughter Rosamond returns with her husband, she is warned not to enter the Myrtle Room. Strong-minded and ingenious, Rosamond's determined detective work uncovers a shocking truth.