
The fourth book in the beloved and award-winning school hamster series A classroom hamster has to be ready for anything, but suddenly there are LOTS-LOTS-LOTS of big surprises in Humphrey's world. Some are exciting, like a new hamster ball. But some are scary,...

Being a classroom hamster means having to be ready for anything?but suddenly there are a lot of big surprises in Humphrey's world. Some are exciting, like seeing the playground during a fire drill and getting to roll around in a hamster ball. But some aren't so good, like a cat...







A lot of surprises come Humphrey's way--but one of them challenges even his imagination.