Publisher's Synopsis
A classroom hamster has to be ready for anything, but suddenly there are LOTS-LOTS-LOTS of big surprises in Humphreys world. Some are exciting, such as a new hamster ball. But some are scary, such as a run-in with a cat and a new janitor who might be from another planet. Even with all that s going on, Humphrey finds time to help his classmates with their problems. But will Mrs. Brisbane s unsqueakable surprise be too much for Humphrey to handle?
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