"Junie B. Jones and the Stupid Smelly Bus" by Barbara Park

Meet the World’s Funniest Kindergartner—Junie B. Jones! Remember when it was scary to go to school? In the first Junie B. Jones book, it’s Junie B.’s first day and she doesn’t know anything. She’s so scared of the school bus and the meanies on it that when it’s time to go home, she doesn’t.