Owen doesn't care if it turns out to be a girl or a boy, he just knows having a sibling will bring him so much joy. When the exciting day finally comes, his baby brother is born on a full moon! And that's not the only thing that takes the family by surprise... His name is Cooper, and he is destined to be a great swimmer! Owen can't wait to watch him grow. They're going to be the best of friends for life! A beautifully illustrated children's book, the perfect way for parents, teachers, and caregivers to introduce the amazing news of a new sibling.