Laurie Myers

On Lisa's first day at a new school, she and a bossy classmate begin playing a series of tricks on each other, using the class guinea pigs.

Afraid of getting maimed for making fun of Brick, the husky new kid in his fifth-grade class, Nick decides that even his baseball collection will not protect him so he signs up for karate class, despite his little brother's reassurances that Brick is not a bully.