Malcolm at Midnight by W.H. Beck

When Malcolm the rat arrives as the pet at McKenna School, he revels in the attention. He also meets the Midnight Academy, a secret society of classroom pets that keeps the nutters (kids) safe. There’s just one problem: Rats have a terrible reputation! So when the Academy’s iguana leader is kidnapped, Malcolm must prove his innocence—and show that even rats can be good guys. Illustrated by Brian Lies of Bats at the Beach, this engaging middle grade novel will have readers rooting for Malcolm as they try to solve the mystery alongside him.