The Legend of Annie Murphy (The Cooper Kids Adventure Series #7)

In 1885, the Murphy mine struck gold. According to legend, Annie Murphy killed her husband out of greed, but just before she was to be hanged for the murder, she escaped. Now, a hundred years later, there have been sightings of Annie Murphy's "ghost." The Coopers unwittingly become involved in a mystery that finds them caught between the past and the present.