Perfect

Isabelle Lee is a typical, wisecracking, middle-of-the-pack girl who just happens to be dealing with some big issues. Her father has died and no one—especially her mother—wants to talk about it. Meanwhile, Isabelle’s sister, who “used to be nine and charming,” has messed everything up by ratting Isabelle out to their mom about her eating disorder.

At school, there’s Mr. Minx, the self-important (but really not...