House by the Tarn — Ruth Abbey

From the moment that Felicity Russell catches sight of the House by the Tarn she begins to feel uneasy. Has she done right to leave her domineering step-mother, and come to live with her cousin, a cousin who deceives and lies to her; a hunch-back whom she sees only at night; and a stranger who tells her a disturbing story of a girl found drowned in the tarn.

Passionate and impulsive and blinded by love, Felicity becomes the target of a evil born of desperation and greed, an evil devilish in its cunning…