"Milton Worthy can't wait for his class trip to the city zoo. But little does he know that Noah--part time classroom pet ferret, part time evil mastermind--has escaped and stowed away on his school bus. Good thing that Mrs. Worthy, ace world-saving, member of the super-secret Society of Substitutes, is along for the ride! Will Milton and his super-substitute mom be able to stop the zoo from running completely wild?" -- Page [4] of cover.
Series:
S.O.S. Society of substitutes ; #2 Harper chapters Katz, Alan. S.O.S., Society of Substitutes ; bk. #2.
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