Grave Secret

Harper Connelly's past comes back to haunt her in the final gripping supernatural mystery from bestselling author Charlaine Harris. Taking a break from investigating, Harper and Tolliver head back to Texas, where they grew up - and her sister Cameron went missing eight years ago. But when they arrive home, Tolliver's dad arrives on the scene seeking forgiveness, and the police get a tip-off that after all these years, Cameron's been spotted in a mall.
Soon, family secrets ensnare them both and Harper finally discovers what happened to her missing sister so many years before. And what she finds out will change her world forever.