Karen's New Teacher is the twenty-first book in the Baby-Sitters Little Sister series.
Back Cover SummaryEdit
Karen loves her second-grade teacher. Ms. Colman never yells, and she makes school interesting. Karen's class is learning about math by making pizzas!
But now there's bad news. Karen and her friends are getting a substitute teacher. Mrs. Hoffman has lots of rules, like NO TALKING. She even makes Karen clean the sink. Please come back, Ms. Colman!