Ava Kirkland knows three things for certain: One, Bradley will always be her BFF. Two, science is the best subject ever. Three, ghosts don't exist. Two out of three ain't bad. Twenty years ago, Mosley Manor was left abandoned. The haunted house of White's Chapel, Tennessee, has become the local dare--the place kids sneak to see if they are brave enough to go inside. Ava isn't scared of Mosley Manor in the slightest. She believes...