In this hilarious third book in the Middle School and Other Disasters series, witch-in-training Heidi Heckelbeck struggles to keep a secret. Featuring black-and-white illustrations and doodles throughout and sparkly foil on the cover! Heidi is making new friends at Broomsfield Academy—in particular, a popular girl named Isabelle. But it turns out Isabelle has a big secret that Heidi discov…