The Moonstone Legacy:

In present-day England, fourteen year old Lizzy Abercrombie's mother dies in a tragic accident on the full moon. But was it really an accident? Lizzy discovers that her death may be linked to a mysterious family curse. Determined to find the truth, her quest takes her from a splendid Anglo-Indian mansion on the Yorkshire moors to India, where she uncovers her ancestor's terrible past and a stolen inheritance. But her discoveries put her in mortal danger from a ruthless enemy