Thefourthbookinthebelovedandaward-winningschoolhamsterseries!Aclassroomhamsterhastobereadyforanything,butsuddenlythereareLOTS-LOTS-LOTSofbigsurprisesinHumphrey’sworld.Someareexciting,likeanewhamsterball.Butsomearescary,likearun-inwithacatandanewjanitorwhomightbefromanotherplanet.Butevenwithallthat’sgoingon,Humphreyfindstimetohelphisclassmateswiththeirproblems.ButwillMrs.Brisbane’sunsqueakablesurprisebetoomuchforHumphreytohandle?LookforalltwelveofHumphrey’sadventures!
