An Incredibly Specific Prophecy

Hattie Lilian Potter is "The Girl Who Lived" but she's just barely used to knowing she's a wizard when everything she knows is turned on it's head. A timid, cowardly boy named Neville is supposed to be "The Chosen One" but when strange things begin to happen, Hattie learns that something is wrong. A dark force has returned, but Neville doesn't seem to have the ability to help.