Mystery of the Missing Moose — Dian Curtis Regan

*This is the ONLY edition authorized by the author, with updated text and new cover art* Ghost Twins, Robbie and Rebeka, plus Thatch, the ghost dog, practice their haunting skills on visitors to their house: a blind artist and her granddaughter, Jamie--who is searching for a missing town landmark. Can the twins help? Or is another scary ghost involved?