Jonathan Lipnicki

On the first day of school, a young boy expects only the worst when he discovers that his new teacher is the "monstrous" Mrs. Green.

The Little family adopts an spunky boy named Stuart who looks a lot like a mouse. Mr. and Mrs. Little adore their new son, but their older son George isn't so sure what to make of his new brother and devises a plan to get Stuart out of the house.