A brand-new Baby-sitters Club graphic novel adapted by newcomer Arley Nopra! Claudia isn't worried when she hears her newest baby-sitting charge, Betsy Sobak, is a big practical joker.

After all, how much harm can one little girl do? Plenty. Claudia breaks her leg as a result of one of Betsy's jokes.

Now Claudia is feeling like baby-sitting might be too dangerous and she's talking about quitting the club!

Kristy thinks Betsy needs to be taught a lesson, and that the baby-sitters are just the ones to do it. Watch out, Betsy Sobak. The joke war is on! A brand-new story from the original author  The series that has been entertaining children for generations Full-colour graphic novel with art from new talent, Arley Nopra