Anastasia, Absolutely - Lois Lowry - Bog

What could possibly go wrong when Anastasia Krupnik walks to a mailbox early one morning with two packages and a dog? Instead of mailing the letter, she deposits her dog's morning business! As her school "Values" class debates moral issues and the local police confiscate the corner mailbox, Anastasia faces a dilemma of her own. Should she confess?