Evil in the House — Evelyn Bond

Debra Cameron only half knew what evil resided in the old, country mansion where she took a position as governess to the young scion of a distinguished American family. She knew, in that dark and foreboding house, lay the secret truth behind the scandal that had ruined her father before his death. What she didn't know was the other part of the evil secret -- a dreadful force that bound a whole family in its coils of destruction, that would cause the death of a young woman -- and that would put her own life in danger...