Big ones, little ones, round ones and flat ones, furry ones and prickly ones—butts are everywhere, and each one is special! These powerful muscles make it possible for people and animals to jump, sit, and everything in between. The gluteus really is the maximus!

This funny, sweet, and commercial picture book celebrates one of our most useful (and hilarious) body parts, and is sure to become a favorite read-aloud for children and parents alike.