If there\'s a problem in school, there\'s no substitute for the world-saving substitute teachers of the S.
O.
S.! This is the first book of this hilarious , highly illustrated early chapter book series.
But then not every kid is the son of a member of the super-secret, super-awesome Society of Sub.
When Milton Worthy learns his classroom\'s pet ferret is the evil mastermind behind a dastardly plot for world domination, it\'s more than just about any kid could handle.
If there\'s a problem in school, there\'s no substitute for the world-saving substitute teachers of the S.
O.
S.! This is the first book of this hilarious , highly illustrated early chapter book series