Marches — Ronald Blythe

Charlie is fifteen and at her summer job in Phillipon when she meets the Rider of the Marches, Tara Norburton, with whom she rediscovers an ability she once had as a child. She will never be the same again. Meanwhile Kai is wondering what to do now that high school is over, when he is invited on an unusual adventure by the charismatic teacher Gordon Savage. Marches introduces new characters to the Edges saga, and explores other parts of its world before returning to the Borderland of the first book.