Echo of Hooves

The neighbors warned Libby-- that an evil robber named Black Jack once lived in her house, and that on the night he died he galloped his poor horse to death in order to hold up a coach on the old North Road. Now his ghost is said to haunt the pale, and Libby things he's been riding her beautiful Jack on each night of the full moon. How can she get rid of a ghost-- and can she do it in time to save her beloved horse?