What Happened to Marcy Pym?

What do you do when your science teacher is a werewolf? The answer: nothing, because no one will believe you anyway.

In this Mountain Middle School tale, Jamie Summers and her friend Georgina Smith set out to solve the mystery of Marcy Pym, their classmate who has disappeared, only to find themselves in danger of becoming the next to go missing. Will they crack the case before it’s too late?