The adventure never ends when Lucky O'Leprechaun is around. Returning for a third adventure, Jana Dillon's lively trickster inadvertently helps a little boy adjust to a new school. When Mr. Eliot's class discovers someone has taken bites out of Lydia's birthday cupcakes, everyone suspects the new kid, whose name no one can remember. Then, something takes tiny bites out of their cookies at snack time. Thinking it must be a mouse, Mr. Eliot...