"It's the annual Friends and Family Weekend at Broomsfield Academy, and Heidi is so excited for her best friend, Lucy Lancaster, to come visit! But opening the gates of the only school for witches-in-training to outsiders can get complicated. Mrs. Kettledrum warns the students that things might go haywire with the influx of extra energy from the visitors. Still, with guests wearing the charmed bracelets the students made, there's no need to worry, right?"--OCLC.