The House in the Pines — Margaret Carr

Her whole life changed that summer, the moment she set foot on the beautiful holiday island of Gran Canaria. When Lynn Raynor, an English nurse, saves a young man's life she has no idea how fateful her action would turn out to be. Peter Falcon's father, the tall dark Luis, is grateful, but impatient and enigmatic, and his proud grandmother and beautiful aunt treat Lynn with barely concealed hostility. But when Peter drives her up into the mountains and Lynn sees a remote and abandoned house she is instantly and irresistibly drawn to it. She never dreamed it would lead her into danger and romance, for the house holds a secret...