Mary Linn, Gravestone Hunter... The Empty Grave Book 3. What would you do if you were visiting a cemetery and found a grave marker with your missing father's name on it... from about a hundred years ago?Mary Linn and Valinda are off and running again in their pursuit of helping others gain closure for their loved ones. But this time, the closure is for both Mary Linn and Valinda when the marker is discovered but the remains have been stolen. And the...