Karen's Bully is the 31st book in the Baby-Sitters Little Sister series.
Back Cover SummaryEdit
There's a big old bully in Karen's class, and his name is Bobby Gianelli. Bobby the bully calls Karen names. He ruins Karen's recess. Bobby is just awful.
And now the bully is moving to Karen's neighborhood. Rats. It won't be safe to play with Bobby around. Unless Karen declares war on the bully!