What stays buried

"Twelve-year-old Calista Wynn will lose her ability to speak with the dead on her thirteenth birthday. And with only a few weeks left, children have started going missing. When Calista meets The Tall Lady--an angry spirit with a grudge against Calista, her family, and the entire town--she knows she's found the ghost responsible for the disappearances. It's up to Calista, the only one who can see The Tall Lady, to stop her. If she doesn't, Calista won't just lose her powers ... she'll lose everyone she has left"--