Life has always been a little lonely for twelve-year-old Casey Parker, an obsessive reader who makes up for her lack of friends with her books. The only attention she gets in school is unwanted, given a bit too enthusiastically by the school bully. But, when Casey s great uncle Walter moves back to town and takes over a mysterious little bookshop called Moonglow s, things begin to get interesting.

He gives her an old iron key and tells her to come back to read at night when the moonlight is shining in, because something truly magical happens. But there are three rules she must...