Malcolm is a rat undergoing a bit of an identity crisis, you see. Everyone thinks him a mouse because of his size, so he has gone from being on sale as python food to a comfy classroom pet. Then he meets the Midnight Academy during his first adventure outside the classroom. They are a secret society of classroom pets dedicated to keeping the kids of the school safe. They automatically assume he is a mouse too. His rat pride is yelling at him to tell them he is a rat, but rats have a terrible reputation: they are lying, skiving, thieving and selfish rats. When the Midnight Academy takes him on as a pledge, Malcolm is determined to prove that rats can be good too (excusing his lying about being a mouse), and tries really hard to be the fifth-grader he wants to be, one with merit and valor! However, almost everything he does leads the Midnight Academy’s second in command to think he is working with Snip - the cat who is terrorizing their school. And when Aggy the Iguana - the leader of the Midnight Academy - is kidnapped and all evidence points to him, he is locked in his cage. But Malcolm has nutter (kid) friends too and now it’s up to him (with encouragement from the nutters) to stop Snip from carrying out his evil plan, whatever that may be, find Aggy, be the fifth-grader he wants to be, and find Mr. Benny’s engagement ring. This book is a brilliant mystery and has characters with fully developed personalities. I think it will really appeal to fans of Humphrey the Hamster and other stories about animal/bug heroes. It is full of wit, humor, distrust and is all about learning who you really are and being who you want to be. After all, a critter reveals his true self at midnight.