Twelve-year-old Maggie Malloy can make wishes come true. But shes learned that people like magic better in storybooks than in real life, and longs to find someone who understands her power. When shes forced to spend a year with her grandmother, Maggie discovers an old magic repair shopand the owner, Mr. McGuire, is a real magician, just like Maggie! She becomes Mr. Maguires apprentice and learns how to repair cauldrons, break disfiguring hexes, and mend magic hats that wont stop duplicating rabbits. But Maggie is in more trouble than she bargained for when an evil magician, Milo the Magnificent, comes to town with his deadly magic act.