Superfudge

Summary —

Peter Hatcher, a twelve-year-old boy, learns that his mother is going to have a baby and that the whole family will be moving to Princeton for a year. He is worried about starting sixth grade in a strange place and going to the same school as his younger brother, Fudge. But he is a lot more concerned about his new baby sister turning out to be just as big a nuisance as Fudge is now.