Everything you need to understand or teach Wooden Bones by Charles de Lint.
Much of de Lint's work is written for grown-ups, although it all appeals to young adults, but "Wooden Bones" was written for a young adult audience. It features an unusual adventure of a city girl at the rural home of her aunt and uncle. A light shines in a ruined barn on a hill, a light that only Liz seems to see, and in that barn is a great mystery, and once she...