Check out Mothman's Curse by Christine Hayne from the library.
When Josie and her brothers uncover a haunted camera, the Mothman legend becomes a terrifying reality that threatens their entire town in this spooky and action-filled novel. Josie may live in the most haunted town in America, but the only strange thing she ever sees is the parade of oddball customers that comes through her family's auction house each week. But when she and her brothers discover a Polaroid camera that prints pictures of the ghost of local recluse John Goodrich, they are drawn into a mystery dating back over a hundred years. A desperate spirit, cursed jewelry, natural disasters, and the horrible specter of Mothman all weave in and out of the puzzlethat Josie must solve to break the curse and save her own life.