S.M.A.R.T.S. and the poison plates

When just ten kids from two cliques at Hubble Middle School get sick after eating in the cafeteria it seems like somebody is deliberately trying to poison them, and while there are several suspects for who might want to get back at the super-cool girls, the other group are the innocuous comic book buffs--so it is up to Zoe and the other members of the S.M.A.R.T.S. to solve the mystery.